3512C Propulsion Engine (IMO II)

The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power ratings (including High Displacement ratings), no required aftertreatment technology, and nominal rated BSFC fuel consumption - it will drive down your total cost of ownership. With a redesigned piston bowl shape to improve combustion, and improved fuel delivery, this engine is IMO II emissions compliant and committed to sustainable environmental development. Single-source support, the Caterpillar warranty, and industry-leading one-year warranty on parts make the 3512C a fully integrated marine power solution.

Product Brochures
Units: US Metric
Power Rating
Power Range
1280-2551 bhp (955-1902 bkW)
Engine Specifications
Speed Range
1200 rpm, 1600 rpm, 1800 rpm
6.69 in
170 mm
7.48 in
190 mm
3161 in³
51.8 l
Rotation from Flywheel End
Counterclockwise or Clockwise
Vee 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
Maximum Length
105.1 in
2669 mm
Maximum Width
87.9 in
2232 mm
Minimum Dry Weight
14400 lb
6532 kg
Minimum Width
80.2 in
2037 mm
Minimum Height
75 in
1904 mm
Minimum Length
102 in
2590 mm
Maximum Height
88.3 in
2242 mm
Engine Specifications
Displacement - HD
3574 in³
58.6 l
Stroke - HD
8.5 in
215 mm
Dimensions & Weights
Maximum Dry Weight
16340 lb
7411 kg
Standard Equipment
Air Inlet System
Control System
Exhaust System
Fuel System
Lube System
Mounting System
Power Takeoffs
Protection System
Flywheel and Flywheel Housing
Cooling System
Payment Calculator

Payments calculated using this tool are estimates only and do not include applicable taxes, insurance, and other fees. Actual prices, interest rate, and payments may be different. Financing payment calculations are based on APR and term. Actual payment and terms are subject to approved credit with Cat Financial Services Corporation or other funding sources. Not all customers will qualify.