D58E-1 D58P-1. HORSEPOWER 130 HP 97 kw. BLADE CAPACITY Up to 4.2 yd 3 3.2m 3 CRAWLER D58-1 DOZER D58-1

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1 D58E-1 D58P-1 HORSEPOWER 130 HP 97 kw BLADE CAPACITY Up to 4.2 yd 3 3.2m 3 D58-1 CRAWLER D58-1 DOZER

2 D58E-1, D58P-1 CRAWLER DOZER Flywheel Horsepower: 130 HP RPM Operating Weight: D58E-1: 32,830 lb. 14,890 kg D58P-1: 35,251 lb. 15,990 kg Blade Capacity: D58E-1: 3.7 yd m 3 D58P-1: 4.2 yd m 3

3 KOMATSU D58 CRAWLER DOZERS:THE MOST EFFICIENT DOZERS IN THEIR CLASS When you think Komatsu D58, think efficiency. Efficient because every D58 is equipped with Komatsu s TORQFLOW transmission. TORQFLOW provides lighttouch, smooth gearshifts that substantially reduce operator fatigue and increase productivity. Efficient because the D58 s 130HP diesel engine is specifically designed to handle the toughest operating conditions while reducing frictional loss and minimizing fuel consumption. Efficient because every D58 dozer features Komatsu components built to the most exacting quality assurance standards in the world components built for reliability and durability. That means less downtime and easier maintenance. The D58 crawler dozer economical, easy to operate, reliable, durable, easy to maintain, equal to the most difficult operating conditions efficient.

4 D58E-1, D58P-1 CRAWLER DOZER LH F RH LH N R RH LIGHT-TOUCH CONTROL SYSTEMS INCREASE OPERATOR COMFORT AND PRODUCTIVITY The D58 is equipped with Komatsu s TORQFLOW transmission, assuring smooth gear shifts and powerful traction. It consists of a 3-element, singlestage, single-phase torque converter and a hydraulicallyactuated planetary-gear transmission with multiple-disc clutch packs. This unique system assures light-touch, ultra-smooth gear-shifting through the 3 forward and 3 reverse gears to decrease operating fatigue. Responsive Operation A single lever joystick on the left controls all speed and directional changes including: 1st to 3rd Forward and reverse Right and left steering A single T type joystick on the right controls all blade functions including: Lifting and lowering Angling Tilting This left and right joystick system offers unparalleled control for shorter cycle times.

5 Float Lower LH Angle RH Angle LH Tilt Hold RH Tilt Raise DESIGNED FOR MAXIMUM DURABILITY, RELIABILITY AND MAINTAINABILITY Every Komatsu crawler is manufactured with Komatsu-built components. Since each component is produced under the world s strictest quality control, reliability and durability are assured. Maintainability is also a factor contributing to machine efficiency and economy, and the D58 offers you more. Segmented Sprockets Sprockets are segmented into several pieces and installed on the sprocket hub. Worn segments can be replaced without removing the track frame. This results in quick and easy in-field replacement and reduced downtime. Lubricated Track Links (optional) Since the clearance between the link pin and bushing is lubricated, wear and pitch elongation are minimized for extended service life. With lubricated track, power loss due to friction of pin and bushing is reduced, increasing operating comfort and performance. Split master links are also provided to facilitate easy track assembly and disassembly. Wet Type Steering Clutches and Brakes The D58 has interconnected, wet steering clutches and brakes for long service life and reliability. The self-adjusting steering clutches are multiple-disc type with a hydraulic booster, ensuring lighttouch joystick movements, while the brakes are the contractingband type that facilitate easy lining replacement.

6 SPECIFICATIONS D58E-1, D58P-1 CRAWLER DOZER ENGINE Model Komatsu 6D125E Type cycle, water-cooled, direct injection No. of cylinders Bore " 125 mm Stroke " 150 mm Piston displacement in ltr. Flywheel horsepower: SAE J HP RPM Governor All-speed, mechanical Gear pump-driven force-lubrication with full-flow filter. Corrosion resistor prevents contaminants from being generated in the coolant. Electrical 24-volt starting system. Electrical intake-air heater facilitates engine starts in cold temperatures. TORQFLOW TRANSMISSION Komatsu s unique TORQFLOW transmission consists of a water-cooled 3-element, singlestage, single-phase torque converter and a planetary-gear, multiple-disc clutch transmission, both of which are hydraulically actuated and force-lubricated for optimum heat dissipation. Gearshift lock lever and neutral safety switch prevent the machine from accidental starts. D58E Travel Speeds Forward Reverse Gear MPH km/h MPH km/h 1st nd rd D58P Travel Speeds D58E Forward Reverse Gear MPH km/h MPH km/h 1st nd rd x 10 3 lb DRAWBAR PULL x 10 3 kg F1 F2 F km/h MPH TRAVEL SPEED Usable pull will depend upon traction and weight of equipped tractor. STEERING SYSTEM Joystick-controlled, wet, multiple-disc steering clutches are hydraulically boosted and interconnected with wet, contracting-band steering brakes to allow easy, light-touch steering/ braking actions. FINAL DRIVES Spur gear, double-reduction final drives. Segmented sprockets are installed on the hub with bolts for easy in-field replacement. UNDERCARRIAGE Suspension..... Oscillation-type equalizer bar Track roller frame... Box-section, high-tensilestrength steel construction Rollers and idlers... Lubricated idlers, track, and carrier rollers are sealed with floating seals Track shoes Single-grouser shoes Unique dust seals prevent entry of foreign abrasives into pin-to-bushing clearances for extended service life. Track tension is easily adjusted with a grease gun. D58E COOLANT & LUBRICANT CAPACITY (refill) Coolant U.S. gal. 52 ltr. Fuel tank U.S. gal. 250 ltr. Engine U.S. gal. 26 ltr. Damper case U.S. gal. 1.3 ltr. Torque conv., trans U.S. gal. 34 ltr. Bevel gear case, steering case U.S. gal. 58 ltr. Final drive (ea. side) U.S. gal. 14 ltr. Hydraulic tank U.S. gal. 65 ltr. OPERATING WEIGHT D58P Number of shoes 42 each side 49 each side Grouser height 2.0" 50 mm 2.0" 50 mm Number of track rollers 6 8 Number of carrier rollers 2 2 Ground clearance 1'4" 410 mm 1'4" 410 mm Shoe width (standard) 18.1" 460 mm 33.9" 860 mm Ground contact area 3,739 in 2 8,331 in cm cm 2 Operating weight: including ROPS, PAT blade, operator, standard equipment, rated capacity of lubricants, coolant, and full fuel tank. Operating Weight Ground Pressure D58E 32,830 lb kg 7.0 PSI 0.49 kg/cm 2 D58P 35,251 lb kg 4.2 PSI 0.30 kg/cm 2

7 DIMENSIONS Unit: ft. in. mm 4'3" '5" '0" '4" 2225* 9'6" '9" 2960* 9'7" '11" 3010* 6'5" '0" 2140* 7'11" '10" 3000* G.L. 8'0" '3" 3125* 16'0" '1" 5505* 2" 50 * = D58P HYDRAULIC SYSTEM Hydraulic control unit: Gear-type hydraulic pump with a capacity (discharge flow) of 47.8 U.S. gal/min. 181 ltr. at rated engine RPM. Relief valve setting: PAT ,350 PSI 165 kg/cm 2 Hydraulic tank capacity: PAT U.S. gal. 96 ltr. Control valves: Power angle tiltdozer Three valves Ripper One additional valve Positions: Blade lift Raise, hold, lower, float Blade tilt Left, hold, right Blade angle Left, hold, right Ripper lift Raise, hold, lower, float Hydraulic cylinders: Double-acting, piston type D58E Number of Cylinder Cylinders Bore Blade lift 2 4.7" 120 mm Blade tilt 1 2.0" 50 mm Blade angle 2 4.7" 120 mm Ripper lift 1 6.3" 160 mm D58P Number of Cylinder Cylinders Bore Blade lift 2 4.7" 120 mm Blade tilt 1 5.9" 150 mm Blade angle 2 4.7" 120 mm DOZER EQUIPMENT Use of high-tensile strength steel for strengthened blade construction. D58E Additional weight Overall Max. lift Max. drop Max. tilt Dozer Hydraulic Additional length Blade Blade above below adjust- equip- control ground Blade with dozer capacity* length x height ground ground ment ment unit pressure angle Power angle 16' 0" 3.7 yd 3 10' 9" x 3' 5" 3' 3" 1' 5" 1' 8" 5,200 lb 1,060 lb 25 tiltdozer 4875 mm 2.8 m mm x 1030 mm 980 mm 430 mm 510 mm 2360 kg 480 kg D58P Power angle 18' 1" 4.2 yd 3 12' 8" x 3' 5" 3' 7" 1' 8" 2' 0" 5,732 lb 1,060 lb 25 tiltdozer 5505 mm 3.2 m mm x 1030 mm 1100 mm 500 mm 600 mm 2600 kg 480 kg *Blade capacities are based on the SAE recommended practice J1265.

8 STANDARD EQUIPMENT Air cleaner, dry type, with automatic dust evacuator and dust indicator Alarm, back-up Alternator (24V, 35A) Batteries (12V x 2, 150 Ah) Decelerator pedal Fan, blower Hydraulic track adjusters Hydraulics for PAT blade including lift cylinders Lighting system (two front and one rear light) PAT blade (D58E) Power take off gear box Radiator guard, hinged Radiator, inline ROPS brackets Seat, suspension-type with seat belt Segmented sprockets Single-grouser shoe tracks D58E: 18.1" 460 mm D58P: 33.9" 860 mm 6-roller track frames (D58E); 8-roller (D58P) Starter motor (24V, 7.5 kw) TORQFLOW transmission (F3, R3) Track roller guards Underguards, crankcase and transmission *ROPS canopy or ROPS cab must be ordered for all machines. OPTIONAL EQUIPMENT Counterweight, rear Drawbar (rigid type) Engine side covers, perforated Fan, reversible Final drive case wear guards Front brush legs Heater and defroster Hydraulic control for ripper (D58E) PAT blade (D58P) Pull hook, front Radiator core protective grid Radiator guard (double) Sealed and lubricated track Screens, rear Screens, side Sweeps, front Tank guard extensions Tool kit Track-roller guards (center) Underguards (heavy duty), crankcase and transmission Vandalism protection kit ROPS Cab* ,290 lb 1040 kg ROPS Canopy*.... 1,500 lb 680 kg Multishank Ripper (D58E) No. of shanks Beam length ' 9" 1755 mm Max. digging depth.. 1' 10" 565 mm Max. lift above ground ' 9" 525 mm Additional weight.. 3,750 lb 1700 kg *ROPS cab and canopy meet ISO 3471, SAE J1040 ROPS standards. Optional Shoes D58E Ground Additional Ground Additional Weight Contact Area Pressure (Tractor) lb kg in 2 cm 2 PSI kg/cm " 460 mm singlegrouser shoe with holes , " 510 mm single-grouser shoes , " 560 mm single-grouser shoes , Optional Shoes D58P 33.9" 860 mm circular arc shoe , AESS Komatsu Printed in USA SN2(8M)SN 2/99 (EV-2) Komatsu America International Company 440 N. Fairway Dr., Vernon Hills, IL Materials and specifications are subject to change without notice is a trademark of Komatsu Ltd. Japan