Propulsion engines
3516C
The Cat® 3516C marine propulsion engine delivers results under hard working conditions. This engine family is designed to maximize the performance of your invested dollars with a wide range of available power ratings, standard and reverse rotation configurations, no required aftertreatment, and efficient fuel consumption. This engine is available as IMO II or China Stage II emissions compliant making it an excellent propulsion engine choice for Tug, Governmental, and other workboat applications.
| Power Range | 2000-3385 bhp (1492-2525 bkW) |
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| Speed Range | 1200-1800 rpm |
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| Emissions | IMO II |
| Aspiration | TTA |
| Bore | 8.46 in |
| Stroke | 7.48 in |
| Displacement | 4765 in³ |
| Rotation from Flywheel End | Counterclockwise or Clockwise |
| Configuration | V 16, 4-Stroke-Cycle Diesel |
| Minimum Height | 77.4 in |
|---|---|
| Maximum Length | 148.0 in |
| Maximum Width | 84.3 in |
| Minimum Length | 143.1 in |
| Maximum Height | 84.6 in |
Air Inlet System
- Corrosion resistant separate circuit freshwater aftercooled, powercore air cleaner
Control System
- Dual Caterpillar® A3 Electronic Control Unit (ECU) LH with electronic unit injector fuel system rigid wiring harness (10 amp DC power required to drive ECU)
Cooling System
- Gear-driven centrifugal auxiliary sea water pump, geardriven centrifugal jacket water pump, expansion tank for commercial engines, coolant shunt tank on lightweight engines, engine oil cooler, thermostats and housing.
ECU Functions
- Programmable low idle, SAEJ1939 data link, Cat® data link, engine diagnostics, general alarm relay, programmable parameters (system application and tattletales), Caterpillar ET service tool interface, remote shutdown, shutdown notify, load feedback, overspeed shutdown, overspeed verify
Exhaust System
- Dry gas-tight exhaust manifolds with heat shields, dual turbochargers with watercooled bearings and heat shield. Wastegate on select ratings
Fuel System
- Electronically controlled unit injectors, simplex fuel filter (RH) with service indicators, fuel transfer pump
Instrumentation
- Marine Power Display of: Engine oil pressure, engine water temperature, fuel pressure, engine speed, fuel consumption, overspeed shutdown notification light, prelube and shutdown override
Lube System
- Gear-driven pump, top-mounted dual crankcase breather groups, simplex oil filter, oil filler and dipstick
Power Take-Offs
- Accessory drive, two-sided front housing
Protection System
- Emergency stop pushbutton, safety shutoff, oil pressure, and water temperature
General
- Two lifting eyes mounted to cylinder heads, Caterpillar yellow paint, parts books and maintenance manuals, shrink-wrap.
ISO Certification
- Factory-designed systems built at Caterpillar ISO 9001:2000 certified facilities.
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Download ↓3516C Commercial Prop Engine Spec Sheet (1492 bkW - 2525 bkW)
Need installed dimensions with enclosure and tank? See Model Configurations