MARINE C18 SPECIFICATIONS. Lube System. service, oil level gauge - RH or LH service, oil filler, Cooling System

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1 486 mhp (479 bhp) 357 bkw Image shown may not reflect actual SPECIFICATIONS I-6, 4-Stroke-Cycle-Diesel Displacement L (1106 cu in) Rated Speed Bore mm (5.7 in) Stroke mm (7.2 in) Aspiration... Turbocharged-Aftercooled Governor... Electronic Cooling System... Heat Exchanger Weight, Net Dry (approx.)... 1,673 kg (3,688 lb) Refill Capacity Cooling System...45 L (12 Gal) Lube Oil System...49 L (13 Gal) Caterpillar Diesel Oil 10W30 or 15W40 Rotation (from flywheel end)...counterclockwise Flywheel and Flywheel Housing...SAE No. 1 Flywheel Teeth Maximum Exhaust Backpressure kpa (40.2 in. water) STANDARD ENGINE EQUIPMENT Air Inlet System Lube System Corrosion resistant aftercooler core, light duty air Crankcase breather, engine oil cooler, oil filter - RH or LH cleaner (open system) service, oil level gauge - RH or LH service, oil filler, Cooling System shallow oil pan, gear driven oil pump Self priming auxiliary sea water pump with rubber Mounting System impeller, gear driven jacket water pump, titanium plate Front support - adjustable heat exchanger with expansion tank, coolant recovery Power Takeoffs system, thermostat and housing 11 tooth spline SAE A hydraulic pump drive, two groove Exhaust System crankshaft pulley Watercooled exhaust manifold and turbocharger, round Protection System flanged outlet 12 or 24V electronic shutdown (energize-to-run) Fuel System General Fuel priming pump, fuel transfer pump, fuel filter - RH or LH service, flexible fuel lines Vibration damper and guard, Caterpillar yellow paint, lifting eyes, customer wiring connector and service tool Instrumentation connector 24V instrument panel with electric service meter, ISO Certification start/stop switch, emergency stop button, maintenance due lamp, diagnostic lamp, warning lamp, maintenance Factory-designed systems built at Caterpillar clear switch, 15A and 3A breakers, and starter motor ISO 9001:2000 certified facilities magnetic switch Out of Production 1 10 March :20 AM

2 PERFORMANCE CURVES A-RATING - DM Power kw Metric Torque N m Maximum Power Prop Demand g/kw-hr Maximum Power Data Torque N m Power kw g/kw-hr L/hr Power kw Prop Demand Data Torque N m g/kw-hr L/hr NOTE: Prop demand data is a cubic prop demand curve with 3.0 exponent for displacement hulls only March :20 AM

3 PERFORMANCE CURVES A-RATING - DM Power hp English Torque lb ft Maximum Power Prop Demand lb/hp-hr Maximum Power Data Torque lb ft Power hp lb/hp-hr gph Power hp Prop Demand Data Torque lb ft lb/hp-hr gph NOTE: Prop demand data is a cubic prop demand curve with 3.0 exponent for displacement hulls only March :20 AM

4 RATING DEFINITIONS AND CONDITIONS A Rating (Unrestricted Continuous) - % Load Factor: 80 to 100 % Time at Rated RPM: up to 80 Typical Time at Full Load: No Limit Typical Hour/Year: 5000 to 8000 Typical Applications: For vessels operating at rated load and rated speed up to 100% of the time without interruption or load cycling (80% to 100% load factor). Typical applications could include but are not limited to vessels such as freighters, tugboats, bottom drag trawlers, or deep river tugboats. Typical operation ranges from 5000 to 8000 hours per year. Power at declared engine speed is in accordance with ISO3046-1:2002E. Caterpillar maintains ISO9001:1994/QS-9000 approved engine test facilities to assure calibration of test equipment. Electronically controlled engines are set at the factory at the advertised power corrected to standard ambient conditions. The published fuel consumption rates are in accordance with ISO Fuel rates are based on fuel oil of 35º API [16ºC (60ºF)] gravity having an LHV of kj/kg (18,390 Btu/lb) when used at 29ºC (85ºF) and weighing g/l (7.001 lb/u.s. gal). Additional ratings may be available for specific customer requirements. Consult your Caterpillar representative for additional information. Performance data is calculated in accordance with tolerances and conditions stated in this specification sheet and is only intended for purposes of comparison with other manufacturer's engines. Actual engine performance may vary according to the particular application of the engine and operating conditions beyond Caterpillar's control. Power produced at the flywheel will be within standard tolerances up to 49º C (120º F) combustion air temperature measured at the air cleaner inlet, and fuel temperature up to 52º C (125ºF) measured at the fuel filter base. Power rated in accordance with NMMA procedure as crankshaft power. Reduce crankshaft power by 3% for propeller shaft power March :20 AM

5 DIMENSIONS Right Side Front Dimensions (1) Length to Flywheel Housing mm in (2) Width mm in (3) Height mm in Weight, Net Dry (approx) 1673 kg 3,688 lb Note: Do not use for installation design. See general dimension drawings for detail (Drawing # ) March :20 AM

6 Performance No.: DM Feature Code: C18DM49 U.S. Sourced March Caterpillar All rights reserved. Materials and specifications are subject to change without notice. The International System of Units (SI) is used in this publication. CAT, CATERPILLAR, SAFETY.CAT.COM their respective logos, "Caterpillar Yellow," and the POWER EDGE trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission. 6