3512C Tier 3 Marine Propulsion Engine

The 3512C High Displacement marine engines are now available in a wide range of ratings that meet EPA Marine Tier 3 and IMO II regulations without any additional aftertreatment. These new propulsion, auxiliary, and DEP engines, designed and built from the current 3512C and 3516C platforms, have minimal dimensional and weight changes in comparison. Owning and operating costs are also very similar. For the specific fuel consumption of each rating please refer to the performance data. New features include stainless steel exhaust heat shields, closed crankcase ventilation system, and EPA Tier 3 compliance.

Product Brochures
Units: US Metric
Power Rating
Power Range
1340-2366 bhp (1000-1765 bkW)
Engine Specifications
Speed Range
1600-1800 rpm
EPA Tier 3, IMO II
6.69 in
170 mm
8.46 in
215 mm
3574 in³
58.6 l
Rotation from Flywheel End
Counterclockwise or Clockwise
Vee 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
Minimum Dry Weight
16508 lb
7488 kg
Minimum Length
104.2 in
2465 mm
Maximum Length
104.2 in
2465 mm
Minimum Height
87.5 in
2222.6 mm
Maximum Height
87.5 in
2222.6 mm
Minimum Width
80.2 in
2037 mm
Maximum Width
80.2 in
2037 mm
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.