04 ENGINE GUIDE. BriggsNetwork.com. Corporate Office W. Wirth Street Wauwatosa, WI USA Tel:

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1 Briggs & stratton has a long-standing commitment to design and manufacture a complete line of environmentally sound engines. Although our engine category produces less than two percent of total emissions output per year, we continue to aggressively pursue new ways to improve our performance and to uphold our environmental responsibility. 04 ENGINE GUIDE Corporate Office W. Wirth Street Wauwatosa, WI USA Tel: BriggsNetwork.com MP / Briggs & Stratton Corporation

2 04 ENGINE MARKETS F O R G E N E R A T I O N S running, Briggs & Stratton has been the engine brand of choice for outdoor power equipment. People depend on our engine products to get the job done. We design and manufacture a wide range of engines to meet your needs for quality, value and performance. From hand-held equipment, walk-behinds, riders and pressure washers, to generators and commercial equipment for construction and rental, no other company provides you with more engine choices. ENTRY Engines are value-engineered for basic needs. MID Engines are powerful, easy starting & designed for dependability. PERFORMANCE Engines provide innovative technology & give added power to your line-up. PREMIUM CONSUMER Engines feature premium components for extended life & superior performance you ve come to expect. PREMIUM COMMERCIAL Vanguard engine series offers world-class power, performance & reliability.

3 INDEX MICRO Fource Fource Clutched MICRO ENGINES SMALL VERTICAL Classic /Clean Power Sprint /Clean Power Quattro /Clean Power /Gen Power Q Quantum /Clean Power /Gen Power Quantum i/c Quantum Edge Intek Intek Edge/Clean Tek I/C /Gen Tek I/C Intek Pro/Clean Tek Pro/Gen Tek Pro LARGE VERTICAL Power Built I/C I/C AVS I/C V-Twin Intek AVS /Gen Tek Pro Intek V-Twin ELS AVS /Gen Tek Pro ELS V-Twin Vanguard V-Twin HORIZONTAL Power Built /Clean Power /Gen Power OHV-Power Built /Clean Power /Gen Power. 41 Intek I/C /Clean Tek I/C /Gen Tek I/C Intek Pro/Clean Tek Pro/Gen Tek Pro Intek Snow Vanguard Single Cylinder Vanguard Twin Cylinder Vanguard 31 HP Vanguard 2/LC Vanguard 3/LC PRESSURE WASHER GENERATOR ENGINE SPECS fold out FOURCE FOURCE CLUTCHED 5

4 MID Mid-market engines are powerful, easy starting and dependable MID Mid-market engines are powerful, easy starting and dependable.75 HP/34cc.75 HP/34cc CLUTCHED Patented Lubrication System Additional Power and Consistent Torque Lightweight Air-Cooled 4-Cycle Design Environmentally Friendly and Cost Effective Side Valve Technology Simple, Reliable 3-Step Starting: Choke, Prime, Pull Uses Unleaded Gasoline, Not a Fuel-Oil Mix Integral Plastic Housing Contains Engine and Fuel Tank; Can Be Custom Colored Foam Element Air Cleaner Automotive-Style Dipstick Tube Outlet Muffler Interrupting Coil Stop Switch Moly Lube Stop Switch Location Options Allows engine to be operated in any orientation a full 360 of usability. More HP at lower speeds than 2- cycle engines, and a flat torque curve that maintains cutting ability across a wider range of speeds. Essential for hand-held applications. Integrated aluminum cylinder block, nylon cam gears and cam cover reduce weight. Meets all CARB and EPA emissions requirements without the extra expense of OHV technology. Reduces emissions by 70% as compared to 2-cycle engines. Easy, consistent starting with only a few pulls, even when cold. Impossible to flood engine by over- priming. Easy and convenient for consumers, plus less smoking and odor than a 2-cycle during operation. Protects user from inadvertent contact with hot or rotating parts, and provides a compact package in your preferred colors. Convenient, reuseable cleaner protects engine for long life. Easy to accurately check and fill oil. Prevents over or under filling. Reduced noise levels and better sound quality. Switch automatically returns to the on position after being depressed to stop the unit. Molybdenum-based lubricant protects engines and eases break-in. Stop switch can be located on engine or remotely on user controls. Centrifugal Clutch Available RPM Limiting Coil in addition to standard Fource features Ideal for powering brush cutters and other bladed applications where lower end does not engage unless throttle is depressed. Prevents engine from over-revving without impacting engine performance. 6 7

5 NOTES SMALL VERTICAL ENGINES 8 CLASSIC SPRINT QUATTRO Q 45 QUANTUM QUANTUM I/C INTEK INTEK EDGE INTEK PRO 9

6 SMALL VERTICAL ENGINES 2004 SMALL VERTICAL POSITIONING Briggs & Stratton makes a variety of walk-behind engines for residential or commercial use. For small yards with gentle terrain to large yards requiring pull attachments or for professional use, you'll find the right engine for your application HP CLASSIC 3.5 HP SPRINT 3.75 HP QUATTRO 4 HP Q HP QUANTUM XRM 6 HP QUANTUM XTS 6 HP QUANTUM XTE 5.5 HP QUANTUM EDGE 6.5 HP QUANTUM I/C XM 5.5 HP INTEK OHV 6.5 HP INTEK EDGE OHV 6.75 HP INTEK PRO OHV 6.5 HP 10 11

7 ENTRY Entry market engines are valueengineered for basic needs ENTRY Entry market engines are valueengineered for basic needs 3.5 HP Also available as: 3.75 HP Also available as: Prime N Pull Easy Starting System Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Prime N Pull Easy Starting System Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Large Rewind Starter Reduces pulling effort for easy starting. Large Rewind Starter Reduces pulling effort for easy starting. Magnetron Electronic Ensures dependable starts with no maintenance required. Magnetron Electronic Ensures dependable starts with no maintenance required. Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. Foam Element Air Cleaner Convenient, reusable cleaner protects engine for long life. Foam Element Air Cleaner Convenient, reusable cleaner protects engine for long life. Lube Power Lubrication System Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Lube Power Lubrication System Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life

8 ENTRY Entry market engines are valueengineered for basic needs ENTRY Entry market engines are valueengineered for basic needs 4.0 HP Also available as: 4.5 HP Prime N Pull Easy Starting System Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Higher Compression Ratio Newly Designed Carburetor Delivers more horsepower. Ensures easy starting. Large Rewind Starter Reduces pulling effort for easy starting. Magnetron Electronic Ensures dependable starts with no maintenance required. Magnetron Electronic Foam Element Air Cleaner Mechanical Compression Release Lube Power Lubrication System Ensures dependable starts with no maintenance required. Convenient, reusable cleaner protects engine for long life. Provides smooth, easy starts and ensures engine reaches maximum power instantly. Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Lube Power Lubrication System High Oil Fill with Automotive-Type Dipstick Mechanical Governor Foam Element Air Cleaner Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Easy to accurately check and service oil. Prevents under or over filling. Controls the throttle to deliver more power for heavy mowing conditions. Convenient, reusable cleaner protects engine for long life. High Oil Fill with Automotive-Type Dipstick Easy to accurately check and service oil. Prevents under or over filling

9 MID Mid-market engines are powerful, easy starting and dependable MID Mid-market engines are powerful, easy starting and dependable HP Also available as: HP Prime N Pull Easy Starting System Large Block Design Large Rewind Starter Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Maximum power and torque Reduces pulling effort for easy starting. Dura-Bore Cast Iron Cylinder Sleeve Prime N Pull Easy Starting System Large Block Design Withstands wear and abuse while providing improved oil control. Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Maximum power and torque Magnetron Electronic Ensures dependable starts with no maintenance required. Large Rewind Starter Reduces pulling effort for easy starting. Maxi-Clean Air Cleaner Composite Camshaft & Aluminized Lo-Tone Muffler Mechanical Governor Mechanical Compression Release Automotive-type pleated paper air filter (over 1400 sq. cm capacity) provides superior protection from dirt for long engine life. Results in a corrosion-resistant, quiet running engine. Controls the throttle to deliver more power for heavy mowing conditions. Provides smooth, easy starts and ensures engine reaches maximum power instantly. Magnetron Electronic Maxi-Clean Dual Element Air Cleaner Composite Camshaft & Aluminized Lo-Tone Muffler Mechanical Governor Ensures dependable starts with no maintenance required. Automotive-type pleated paper air filter (over 1400 sq. cm capacity) with foam pre-cleaner provides superior protection from dirt for longer engine life. Results in a corrosion-resistant, quiet running engine. Controls the throttle to deliver more power for heavy mowing conditions. One-Start Float Feed Carburetor High Oil Fill with Automotive-Type Dipstick Consistent one-pull starts. Easy to accurately check and service oil. Prevents under or over filling. Mechanical Compression Release One-Start Float Feed Carburetor Provides smooth, easy starts and ensures engine reaches maximum power instantly. Consistent one-pull starts. Lube Power Lubrication System Various Shroud Options Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Enables styling and color customization. High Oil Fill with Automotive-Type Dipstick Lube Power Lubrication System Easy to accurately check and service oil. Prevents under or over filling. Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Various Shroud Options Enables styling and color customization

10 MID Mid-market engines are powerful, easy starting and dependable PERFORMANCE Performance engines provide innovative technology and power 6.5 HP HP Also available as: Prime N Pull Easy Starting System Large Rewind Starter Magnetron Electronic Maxi-Clean Air Cleaner Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Reduces pulling effort for easy starting. Ensures dependable starts with no maintenance required. Automotive-type pleated paper air filter (over 1400 sq. cm capacity) provides superior protection from dirt for longer engine life. Overhead Valve Design Magnetron Electronic High Capacity Air Cleaner Strengthened Crankshaft Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Ensures dependable starts with no maintenance required. Pleated paper filter and debris ejection slots provide superior protection. Increased durability and engine life. Composite Camshaft & Aluminized Lo-Tone Muffler Results in a corrosion-resistant, quiet running engine. Composite Camshaft & Aluminized Tuned Muffler Results in a corrosion-resistant, quiet running engine. Automotive-Style Intake Valve-Stem Seal Elliptical Piston Reduces emissions and improves oil control. Reduces vibration for a quieter, smoother running engine, increases power and lowers emissions. Elliptical Piston Mechanical Governor Reduces vibration for a quieter, smoother running engine, increases power and lowers emissions. Controls the throttle to deliver more power for heavy mowing conditions. Lube Power Lubrication System Mechanical Governor Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Controls the throttle to deliver more power for heavy mowing conditions. Prime N Pull Easy Starting System Mechanical Compression Release Delivers the right amount of fuel to the carburetor for consistent onepull starts. Provides smooth, easy starts and ensures engine reaches maximum power instantly. Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. High Oil Fill with Automotive-Type Dipstick Easy to accurately check and service oil. Prevents under and over filling. One-Start Float Feed Carburetor High Oil Fill with Automotive-Type Dipstick Various Shroud Options Consistent one-pull starts. Easy to accurately check and service oil. Prevents under or over filling. Enables styling and color customization. Lube Power Lubrication System Various Shroud Options Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Enables styling and color customization

11 PERFORMANCE Performance engines provide innovative technology and power PERFORMANCE Performance engines provide innovative technology and power HP Also available as: HP Also available as: Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Dura-Bore Cast Iron Cylinder Sleeve Prime N Pull Easy Starting System Withstands wear and abuse while providing improved oil control. Delivers the right amount of fuel to the carburetor for consistent one-pull starts. Prime N Pull Easy Starting System Dura-Bore Cast Iron Cylinder Sleeve Delivers the right amount of fuel to the carburetor for consistent onepull starts. Withstands wear and abuse while providing improved oil control. Magnetron Electronic Ensures dependable starts with no maintenance required. Pressure Filtration Lubrication Pressurized oil filtration keeps oil clean and extends engine life. Dual-Clean Top Loading Air Cleaner Composite Camshaft & Aluminized Tuned Muffler Heavy-Duty Upper Bearing Strengthened Cast Iron Crankshaft Elliptical Piston Mechanical Governor Automotive-style pleated paper filter with a foam pre-cleaner ensures maximum engine protection and easy access for maintenance. Results in a corrosion-resistant, quiet running engine. Self-lubricating upper bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Stress-relieved design enhances durability. Reduces vibration for a quieter, smoother running engine, increases power and lowers emissions. Controls the throttle to deliver more power for heavy mowing conditions. Strengthened Cast Iron Crankshaft Ball Bearing on PTO Side of Crankshaft Magnetron Electronic Composite Camshaft & Aluminized Tuned Muffler Dual-Clean Top-Loading Air Cleaner Heavy-Duty Upper Bearing Stress-relieved design enhances durability. Improves durability and is easy to service. Ensures dependable starts with no maintenance required. Results in a corrosion-resistant, quiet running engine. Automotive-style pleated paper filter with a foam pre-cleaner ensures maximum engine protection and provides easy access for maintenance. Self-lubricating upper bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. Elliptical Piston Reduces vibration for a quieter, smoother running engine, increases power and lowers emissions. Lube Power Lubrication System High Oil Fill with Automotive-Type Dipstick Various Shroud Options Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Easy to accurately check and service oil. Prevents under and over filling. Enables styling and color customization. Mechanical Governor High Oil Fill with Automotive-Type Dipstick Automotive-Style Oil Filter Various Shroud Options Controls the throttle to deliver more power for heavy mowing conditions. Easy to accurately check and service oil. Prevents under and over filling. Pressurized oil filtration keeps oil clean and extends engine life. Enables styling and color customization

12 NOTES LARGE VERTICAL ENGINES 22 POWER BUILT I/C I/C AVS INTEK AVS INTEK V-TWIN ELS AVS ELS V-TWIN 23

13 LARGE VERTICAL ENGINES 2004 LARGE VERTICAL POSITIONING Briggs & Stratton makes a variety of rider engines for residential or commercial use. From rear-engine mowers for added maneuverability to lawn and garden tractors to handle tougher jobs, we have the right engine for your application HP HP HP * ELS and Vanguard reserved for qualifying brands HP HP HP HP HP HP HP POWER BUILT OHV 12.5 HP - REWIND POWER BUILT OHV 12.5 HP - ELECTRIC I/C OHV 12.5 HP I/C AVS OHV 18.0 HP INTEK AVS OHV 13.5 HP INTEK AVS OHV 18 HP I/C V-TWIN OHV 20 HP INTEK V-TWIN OHV 25 HP ELS AVS OHV 18 HP ELS V-TWIN OHV 19 HP ELS V-TWIN OHV 25 HP VANGUARD OHV 23 HP 24 25

14 ENTRY Entry market engines are valueengineered for basic needs MID Mid-market engines are powerful, easy starting and dependable HP HP Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Balance-Tek Low Vibration System with Low Mass Piston Minimal vibration for smooth operation. Dura-Bore Cast Iron Cylinder Sleeve Withstands wear and abuse while providing improved oil control. Magnetron Electronic High Capacity Top-Loading Air Cleaner Mechanical Governor Mechanical Compression Release Lube Power Lubrication System Resin Blower Housing Optional Rewind Ensures dependable starts with no maintenance required. Unique design features an automotive-style filter and debris ejection slot with easy access for maintenance. Controls the throttle to deliver more power for heavy mowing conditions. Provides smooth, easy starts and ensures engine reaches maximum power instantly. Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Durable and dent resistant. Customization to meet individual application needs. High-Capacity Dual-Clean Top-Loading Air Cleaner Resin Blower Housing Magnetron Electronic Large Crankshaft Pin Balance-Tek Low Vibration System with Low Mass Piston Heavy-Duty Upper Bearing Mechanical Compression Release Unique design features an automotive-style filter and debris ejection slot with easy access for maintenance. Durable and dent resistant. Ensures dependable starts with no maintenance required. Strengthens crankshaft for a longer lasting engine. Minimal vibration for smooth operation. Self-lubricating upper bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Provides smooth, easy starts and ensures engine reaches maximum power instantly. Mechanical Governor Controls the throttle to deliver more power for heavy mowing conditions. Lube Power Lubrication System Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Optional Rewind Customization to meet individual application needs

15 MID Mid-market engines are powerful, easy starting and dependable MID Mid-market engines are powerful, easy starting and dependable HP HP Anti-Vibration System (AVS ) Improved Breather System in addition to standard I/C features Patented linear balancing system eliminates side-to-side motion of traditional counter and rotating balancing engines to provide a smooth ride. Lowers oil consumption and reduces emissions. Overhead Valve Design 90 V-Twin Cylinder Full Pressure Lubrication with Spin-on Oil Filter Magnetron Electronic Large Dual-Barrel Carburetor Large, Top-Loading Air Cleaner Dura-Bore Cast Iron Cylinder Sleeves Heavy-Duty Upper Bearing High Volume Cooling Fan Resin Blower Housing Low Mass, Permanent Mold Piston Mechanical Governor Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Compact design and well-balanced engine for a smoother, quieter ride. Clean oil is delivered to critical engine components for maximum lubrication and longer engine life. Ensures dependable starts with no maintenance required. Provides optimum fuel flow to each cylinder for maximum power under load. Unique design using an automotive style filter and foam pre-cleaner prevents debris build-up and provides easy access for maintenance. Withstands wear and abuse while providing improved oil control. Self-lubricating upper bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Ultimate cooling system for longer engine life. Durable and dent proof. Minimal vibration for smooth operation. Controls the throttle to deliver more power for heavy mowing conditions

16 PERFORMANCE Performance engines provide innovative technology and power PERFORMANCE Performance engines provide innovative technology and power HP Also available as: HP Anti-Vibration System (AVS ) Overhead Valve Design Dura-Bore Cast Iron Cylinder Sleeve Pressure Lubrication with Spin-on Oil Filter Larger PTO Bearing Improved Breather System High-Volume Phase-Modulated Cooling Fan High-Capacity Dual-Clean Top-Loading Air Cleaner Magnetron Electronic Resin Blower Housing Large Crankshaft Pin Patented linear balancing system eliminates side-to-side motion of traditional counter and rotating balancing engines to provide a smooth ride. OHV engines run cooler and cleaner delivering more power, longer engine life and improved fuel economy. Withstands wear and abuse while providing improved oil control. Clean oil is delivered to critical engine components for maximum lubrication and longer engine life. 22% larger bearing extends engine life and increases load capacity. Lowers oil consumption and reduces emissions. Improved design increases air flow for additional cooling, leading to longer engine life and quieter operation. Unique design using an automotivestyle pleated paper filter and foam pre-cleaner provides easy access for maintenance. Ensures dependable starts with no maintenance required. Durable and dent resistant. Stronger crankshaft for a longer lasting engine. Overhead Valve Design 90 V-Twin Cylinder Full Pressure Lubrication with Spin-on Oil Filter Magnetron Electronic Large Dual-Barrel Carburetor High-Capacity Dual-Clean Top-Loading Air Cleaner Dura-Bore Cast Iron Cylinder Sleeves Heavy-Duty Upper Bearing Larger PTO Bearing High Volume Phase-Modulated Cooling Fan Resin Blower Housing Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Compact design and well-balanced engine for a smoother, quieter ride. Clean oil is delivered to critical engine components for maximum lubrication and longer engine life. Ensures dependable starts with no maintenance required. Provides optimum fuel flow to each cylinder for maximum power under load. Unique design using an automotive style filter and foam pre-cleaner prevents debris build-up and provides easy access for maintenance. Withstands wear and abuse while providing improved oil control. Self-lubricating upper bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. 22% larger bearing extends engine life and increases load capacity. Improved design increases air flow for additional cooling, leading to longer engine life and quieter operation. Durable and dent resistant. Heavy-Duty Upper Bearing Mechanical Governor Self-lubricating upper bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Controls the throttle to deliver more power for heavy mowing conditions. Low Mass, Permanent Mold Piston Mechanical Governor Minimal vibration for smooth operation. Controls the throttle to deliver more power for heavy mowing conditions. Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. Optional Rewind Customization to meet individual application needs

17 PREMIUM CONSUMER Premium engines offer world class power, performance and reliability PREMIUM CONSUMER Premium engines offer world class power, performance and reliability HP Also available as: HP in addition to standard Intek features in addition to standard Intek features Extended Life Package Full Pressure Lubrication System Clean oil is continuously distributed directly to critical engine components for maximum lubrication. Extended Life Package Full Pressure Lubrication System Clean oil is continuously distributed directly to critical engine components for maximum lubrication. Premium Spin-On Oil Filter Automotive full-flow style offers unsurpassed efficiency and durability by removing over 95% of contaminants. Premium Spin-On Oil Filter Automotive full-flow style offers unsurpassed efficiency and durability by removing over 95% of contaminants. Long-Life Valves Wear-resistant chrome plated valve stems significantly extend engine life. Long-Life Valves Wear-resistant chrome plated valve stems significantly extend engine life. Premium Piston and High Efficiency Piston Rings PTFE coated piston ends and plasma coated top rings reduce wear and friction. Premium Piston and High Efficiency Piston Rings PTFE coated piston ends and plasma coated top rings reduce wear and friction. Platinum Spark Plugs Increase engine durability and allow longer service intervals. Platinum Spark Plugs Increase engine durability and allow longer service intervals. Premium Air Cleaner Washable polyester air cleaner has three times the cleaning capacity of standard filters for superior protection. Tool-free cover is easy to access for drop-in replacement. Premium Air Cleaner Washable polyester air cleaner has three times the cleaning capacity of standard filters for superior protection. Tool-free cover is easy to access for drop-in replacement. Extended-Life Fuel Filter (Standard with Fuel Pump Option) Provides twice the filtering capacity of standard fuel filters. Extends maintenance intervals saving time and money. Extended-Life Fuel Filter Provides twice the filtering capacity of standard fuel filters. Extends maintenance intervals saving time and money

18 PREMIUM COMMERCIAL NOTES Premium engines offer world class power, performance and reliability HP V-Twin 90 Overhead Valve Design Pressure Filtration with Spin-on Oil Filter High Flow Cooling Package Commercial Quality Components Premium Ball Bearing on PTO Side & Steel-Backed Bearing on the Flywheel Side T6 Heat-Treated Aluminum Alloy Connecting Rod and Piston Ring Package Sound Treatment Package Laminated Poly-Core Blower Housing Phase-Modulated Flywheel Fin Spacing Acoustically Contoured Crankcase Lo-Tone Muffler Premium Sintered Iron Cylinder Sleeves Full Length Replaceable Valve Guides and Seals Dual-Clean Air Cleaner Oil Gard Low-Oil Shutdown System Buyer Warranty Package Engine Warranty Cooler, cleaner and more efficient operation. More HP output with less displacement, less carbon build-up. Longer valve life and improved fuel economy. Cleans oil and protects engine components to ensure maximum lubrication and long life. Lower engine and oil operating temperatures to extend engine life. Designed and tested to meet commercial engine standards. Exceptionally quiet operation. For improved heat transfer, resulting in lower oil consumption and longer engine life. Extended valve life and lower oil consumption. Pleated paper filter with foam precleaner ensures double protection for long engine life. Significantly reduces the chance of engine damage due to insufficient lubrication. 2-year limited warranty. 2-year engine warranty for consumer or commercial use applications

19 NOTES HORIZONTAL ENGINES POWER BUILT POWER BUILT OHV INTEK INTEK I/C INTEK PRO INTEK SNOW VANGUARD VANGUARD LIQUID COOLED 36 37

20 HORIZONTAL ENGINES 2004 HORIZONTAL POSITIONING Briggs & Stratton horizontal engines are tough, hardworking and efficient. for feature, they offer you the best value available for the residential and commercial segments you serve. As a result, you can offer more choices for your application. 1.0 HP HP HP HP HP POWER BUILT 3.5 HP POWER BUILT OHV 11 HP INTEK I/C OHV 10 HP INTEK PRO OHV 10 HP INTEK SNOW OHV 7.5 HP INTEK SNOW OHV 13 HP VANGUARD OHV 2.4 HP VANGUARD OHV 13 HP VANGUARD V-TWIN 23 HP VANGUARD V-TWIN 31 HP VANGUARD 2/LC 27 HP VANGUARD 3/LC 34 HP 38 39

21 ENTRY Entry market engines are valueengineered for basic needs MID Mid-market engines are powerful, easy starting and dependable 3.5 HP Also available as: HP Also available as: High Capacity Air Cleaner Magnetron Electronic Lube Power Lubrication System Mechanical Compression Release Pleated paper air filter and debris ejection slots provide superior protection. Ensures dependable starts with no maintenance required. Gear-driven system continuously supplies oil to all internal engine parts for extra protection and long life. Provides smooth, easy starts and ensures engine reaches maximum power instantly. Compact Overhead Valve Design High Flow Cylinder Head One-Start Carburetor High Capacity Air Cleaner Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. 20% more power than conventional engines, increased fuel efficiency and significantly reduced emissions. Fast fuel delivery for one-pull starts and smooth operation. Pleated paper filter and debris ejection slots provide superior engine protection. Large Capacity Fuel Tank Longer run times between refueling. Mechanical Governor Controls the throttle to deliver more power for tough chores. Fuel Shut-Off Valve Easy to shut off fuel flow for safe transportation. Lo-Tone Muffler Results in quieter, safer operation

22 MID Mid-market engines are powerful, easy starting and dependable PERFORMANCE Performance engines provide innovative technology and power HP Also available as: HP Also available as: Compact Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Compact Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. High Flow Cylinder Head 20% more power than conventional engines, increased fuel efficiency and significantly reduced emissions. High Flow Cylinder Head 20% more power than conventional engines, increased fuel efficiency and significantly reduced emissions. One-Start Carburetor Fast fuel delivery for one-pull starts and smooth operation. One-Start Carburetor Fast fuel delivery for one-pull starts and smooth operation. Dura-Bore Cast Iron Cylinder Sleeve Withstands wear and abuse while providing improved oil control. Dura-Bore Cast Iron Cylinder Sleeve Withstands wear and abuse while providing improved oil control. High Capacity Dual-Clean Air Cleaner Pleated paper filter, foam precleaner and debris ejection slots provide superior protection. High Capacity Dual-Clean Air Cleaner Pleated paper filter, foam precleaner and debris ejection slots provide superior protection. Heavy-Duty Bearing Self-lubricating bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Heavy-Duty Bearing Self-lubricating bearing is made of steel-backed Teflon coated bronze to withstand load and reduce wear. Large Capacity Fuel Tank Longer run times between refueling. Large Capacity Fuel Tank Longer run times between refueling. Mechanical Governor Controls the throttle to deliver more power for tough chores. Mechanical Governor Controls the throttle to deliver more power for tough chores. Fuel Shut-Off Valve Easy to shut off fuel flow for safe transportation. Fuel Shut-Off Valve Easy to shut off fuel flow for safe transportation. Lo-Tone Muffler Results in quieter, safer operation. Performance Quiet Lo-Tone Muffler with TUV Guard Results in quieter, safer operation. Run Sense Low-Oil System Significantly reduces the chance of engine damage due to insufficient lubrication. Ball Bearing on PTO Side of Crankshaft Improves durability and is easy to service

23 PERFORMANCE Performance engines provide innovative technology and power PREMIUM COMMERCIAL Premium engines offer world class power, performance and reliability HP HP Compact OHV Design High-flow Cylinder Head Symmetrical Combustion Chamber Increases fuel efficiency, reduces emissions and prolongs engine life. Overhead Valve Design Runs cooler and cleaner delivering more power, longer engine life and improved fuel economy. Aluminized Lo-Tone Muffler Superior in sound reduction and resistant to corrosion. Dura-Bore Cast Iron Cylinder Sleeve Withstands wear and abuse while providing improved oil control. 21 Cubic Inch 321 cc Displacement Increased torque for easy removal of wet, heavy snow. Dual Ball Bearing Easily replaceable, extended service life. Specially Designed Rewind Cover Reduces air and snow infiltration into blower keeping warm air in and cold air out. Dual-Clean Air Cleaner Pleated paper filter with foam precleaner ensures double protection for long engine life. Freeze-Resistant Recoil Starter with Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. Mechanical Compression Release Provides smooth, easy starts and ensures engine reaches maximum power instantly. Magnetron Electronic Ensures quick, dependable starts with no maintenance required. Large Volume Muffler Up to 50% quieter than comparable models. Large, Easy-to-Access Polyethylene Fuel Tank Ergonomically Designed Rewind Handle and Control Knobs Resists corrosion and freeze-up, enables long run time. For easy visibility and use in cold, snowy weather. Oil Gard Low-Oil Shutdown System Buyer Warranty Package Significantly reduces the chance of engine damage due to insufficient lubrication. 2-year limited warranty. Easy-Start Primer Computer Optimized Snow Hood Easy-to-find and use for fast, reliable starting. Maintains constant carburetor and engine temperatures to prevent freeze-up and optimize cold weather performance. Engine Warranty 2-year engine warranty for consumer or commercial use applications. Removable Push/Pull Keyed Stop Switch Prevents engine from starting when key is removed

24 PREMIUM COMMERCIAL Premium engines offer world class power, performance and reliability PREMIUM COMMERCIAL Premium engines offer world class power, performance and reliability HP 31.0 HP V-Twin 90 Overhead Valve Design Pressure Filtration with Spin-on Oil Filter High Flow Cooling Package Commercial Quality Components Premium Ball Bearing on PTO Side & Steel-Backed Bearing on the Flywheel Side T6 Heat-Treated Aluminum Alloy Connecting Rod and Piston Ring Package Sound Treatment Package Laminated Poly-Core Blower Housing Phase-Modulated Flywheel Fin Spacing Acoustically Contoured Crankcase Lo-Tone Muffler Premium Sintered Iron Cylinder Sleeves Full Length Replaceable Valve Guides and Seals Dual-Clean Air Cleaner Cooler, cleaner and more efficient operation. More HP output with less displacement, less carbon build-up. Longer valve life and improved fuel economy. Cleans oil and protects engine components to ensure maximum lubrication and long life. Lower engine and oil operating temperatures to extend engine life. Designed and tested to meet commercial engine standards. Exceptionally quiet operation. For improved heat transfer, resulting in lower oil consumption and longer engine life. Extended valve life and lower oil consumption. Pleated paper filter with foam precleaner ensures double protection for long engine life. V-Twin 90 Overhead Valve Design Robust 895 cc (54 cubic inch) displacement Increased Horsepower-to-Weight Ratio Innovative Intake and Exhaust System Advanced Debris Management System Steel-Backed Aluminum Bearings Cast Iron Sleeve Industrial-Grade Solenoid Shift Starter Motor Five-inch Centrifugal Multi-Stage Industrial Air Cleaner Large-Volume Muffler with Specially Baffled Chambers Full-Pressure Oil Lubrication System with Spin-On Filter Superior balance and low vibration saves wear and tear on components and equipment. Broad equipment application. Contributes to engine efficiency, reduces compaction and makes handling easier. Results in a quieter-running engine. Allows the engine to run cleaner and cooler, which enhances durability and performance. High load capacity; reduce noise. Assures longer engine life and improves oil control. Quick, reliable starts. Provides maximum engine protection, especially under dirty and dusty conditions. Minimizes noise. Reduces maintenance and extends engine life. Oil Gard Low-Oil Shutdown System Buyer Warranty Package Engine Warranty Significantly reduces the chance of engine damage due to insufficient lubrication. 2-year limited warranty. 2-year engine warranty for consumer or commercial use applications. Large Oil Capacity Low Oil Consumption Low Fuel Consumption Low Noise and Smooth Running Operation Cooler oil temperature. Longer running times between scheduled maintenance. Less frequent refueling stops. Maximizes operator productivity by minimizing fatigue. Engine Warranty 2-year engine warranty. Ignition Warranty Lifetime Magnetron ignition warranty

25 PREMIUM COMMERCIAL Premium engines offer world class power, performance and reliability PREMIUM COMMERCIAL Premium engines offer world class power, performance and reliability 27.0 HP HP Liquid-Cooled Cooler, smoother, longer-running premium commercial engine. Lightweight Design Reduces soil compaction & eases portability. V-Twin, OHV Technology Compact 752 cc (46 cubic inch) Displacement Lightweight Aluminum Block Superior balance, low vibration, industrial-grade performance. Broad equipment application. Reduces overall equipment weight. Engine Interchangeability Parts Commonality All engines fit the same envelope. Identical PTO and mounting dimensions. All engines use identical accessories. Similar designs mean reduced number of parts. Increased Horsepower-Weight Ratio 360 Cooling Water Jacket 4-inch Industrial Grade Air Cleaner More efficient operation. Reduces engine and oil temperatures to extend engine life. Ensures maximum engine protection, even in dusty conditions. Compact Size Liquid Cooling Cast Iron Block Maximum power in small package. The market's most compact engine. Cleaner combustion easily meets emission regulation. Dampens noise. Full Pressure Oil Lubrication System With Spin-On Oil Filter Longer engine life. Longevity Industrial engines, no automotive derivative. Commercial Grade Solenoid Shift Starter Quick, reliable starts. Balance Exceptionally well balanced for low vibration

26 NOTES PRESSURE ENGINES WASHER CLEAN POWER CLEAN TEK CLEAN TEK I/C CLEAN TEK PRO VANGUARD 50 51

27 PRESSURE WASHER ENGINES To efficiently clean a variety of objects around the home or on the job, you need the right pressure washer for the job. Briggs & Stratton offers a variety of residential, industrial midmarket and commercial engines to get the job done PRESSURE WASHER POSITIONING HP CLEAN POWER 4 HP CLEAN POWER 6 HP CLEAN TEK I/C OHV 6.75 HP CLEAN TEK PRO OHV 17.5 HP CLEAN POWER OHV 6.5 HP CLEAN POWER OHV 11 HP CLEAN TEK OHV 5.5 HP CLEAN TEK I/C OHV 5.5 HP CLEAN TEK I/C OHV 10 HP CLEAN TEK I/C OHV 6.5 HP CLEAN TEK PRO OHV 10 HP VANGUARD OHV 13 HP Please see small vertical, large vertical and horizontal engine sections for feature/benefit information 52 53

28 NOTES GENERATOR ENGINES GEN POWER GEN TEK GEN TEK I/C GEN TEK PRO VANGUARD 54 55

29 GENERATOR ENGINES 2004 GENERATOR POSITIONING Selecting the right generator gives you dependable power when and where you need it. For light-weight, portable generators for occasional camping or home use, emergency standby power for home or business, or for frequent professional use, Briggs & Stratton offers a wide range of dependable generators to keep you going HP HP HP HP HP HP HP HP HP HP HP HP HP HP HP GEN POWER 6 HP GEN POWER OHV 6.5 HP GEN TEK I/C OHV 6.75 HP GEN TEK PRO OHV 6 HP GEN TEK PRO OHV 17.5 HP GEN TEK PRO OHV 25 HP GEN POWER OHV 10 HP GEN POWER OHV 11 HP GEN TEK I/C OHV 8 HP GEN TEK PRO OHV 6.5 HP GEN TEK PRO OHV 10 HP VANGUARD OHV 13 HP Please see small vertical, large vertical and horizontal engine sections for feature/benefit information 56 57

30 NOTES 58

31 VALVE CYLINDERS AIR CLEANER IGNITION LUBRICATION 04 ENGINE SPECIFICATIONS MICRO Fource Fource Clutched SMALL VERTICAL Classic Sprint Quattro Q 45 Quantum Quantum I/C Quantum Edge Intek OHV Intek Edge OHV Intek Pro OHV LARGE VERTICAL Power Built OHV = Pressure Filtration I/C OHV I/C AVS OHV I/C V-Twin OHV Intek AVS OHV Intek V-Twin OHV ELS ELS V-Twin OHV Vanguard V-Twin OHV POWER LEVEL , 5.5, , 5.5, , , 6.5, , 6.5, , 10.0, 11.0, , 10.5, 12.5, 13.0, , 15.0, , 18.5, 20.0, , 18.0, , 20.0, , , 17.5, 18.0, , 20.0, , , 23.0 DISPLACEMENT (cc / cubic in.) 34 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / BORE (in.) STROKE (in.) WEIGHT (lbs.) OIL CAPACITY (oz.) opt opt opt full full full full full full full full full = Premium filter package includes air filter, fuel filter, and oil filter. Ask your Briggs & Stratton representative for details. SIDE VALVE OHV ALUMINUM CAST IRON SLEEVE OILED FOAM PAPER DUAL-CLEAN MAGNETRON SPLASH LUBRICATION PRESSURE LUBRICATION PRESSURE LUBRICATION W/ OIL FILTER

32 POWER LEVEL HORIZONTAL Power Built 3.5 Power Built OHV 5.5, , Intek I/C OHV 5.5, 6.5, , 10.0 Intek Pro OHV 5.5, , 10.0 Intek Snow OHV 6.5, , 10.0, Vanguard OHV , 13.0 Vanguard V-Twin 16.0 OHV , LIQUID COOLED-2 CYLINDER DISPLACEMENT (cc / cubic in.) 148 / / / / / / / / / / / / / / / / / / / / / BORE (in.) STROKE (in.) WEIGHT (lbs.) OIL CAPACITY (oz.) VALVE CYLINDERS AIR CLEANER IGNITION LUBRICATION SIDE VALVE OHV full full full full ALUMINUM CAST IRON SLEEVE OILED FOAM PAPER DUAL-CLEAN MAGNETRON SPLASH LUBRICATION PRESSURE LUBRICATION PRESSURE LUBRICATION W/ OIL FILTER E / full LIQUID COOLED-3 CYLINDER DM700D DM850D DM950D DM950D TURBO DM954D TURBO DM700G DM950G DM954G DM700P DM950P / / / / / / / / / / full full full full full full full full full full