Power System

3512C

Designed to Deliver Power, Speed and Emissions Compliance

The Cat® 3512C commercial propulsion engine is designed for hard-working marine applications where reliability, fuel efficiency and emissions compliance are critical. With a wide range of ratings, advanced electronic controls and a proven V12 platform, the 3512C delivers dependable performance for tug, governmental and other workboat applications.

The Cat® 3512C commercial propulsion engine is designed for hard-working marine applications where reliability, fuel efficiency and emissions compliance are critical. With a wide range of ratings, advanced electronic controls and a proven V12 platform, the 3512C delivers dependable performance for tug, governmental and other workboat applications

Highlights
Features & Specs
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Equipment Highlights

V12 Continuous Duty
Robust V12, 4-stroke diesel platform engineered for sustained high-load propulsion and continuous duty cycles across diverse commercial vessel platformsRobust V12, 4-stroke diesel platform engineered for sustained high-load propulsion and continuous duty cycles across diverse commercial vessel platforms.
Multiple Power Ratings
Available in multiple ratings and speed configurations to match vessel duty profiles and mission requirement.
Optimized Fuel Utilization
Optimized fuel delivery and combustion performance help maximize operating efficiency across a range of vessel duty cycles.
Integrated Controls
Updated electronic controls meet IACS UR E29/E27 requirements for cyber security.
Emissions Compliance
No aftertreatment required for IMO II, reducing system complexity, weight and installation footprint.
Rotation Configurations
Broad power range with standard rotation and reverse rotation options to simplify vessel integration and repower projects.

Specs + Downloads

Specs
  • Power Range: 1281 - 2552 bhp
  • Maximum Length: 102 in
  • Maximum Width: 80.2 in
  • Minimum Dry Weight: 14400 lb
  • Minimum Width: 80.2 in
  • Minimum Height: 75 in
  • Minimum Length: 102 in
  • Maximum Height: 75 in
  • Maximum Dry Weight: 17866 lb
  • Length - Engine: 111.1 in
  • Application: Workboat
  • Speed Range: 1200 - 1800 rpm
  • Emissions: IMO II, China II
  • Aspiration: Twin Turbocharged Aspirator
  • Bore: 6.69 in
  • Stroke: 7.48 in
  • Stroke - HD: 8.46 in
  • Displacement: 3161 in³
  • Displacement - HD: 3574 in³
  • Rotation from Flywheel End: Counterclockwise or Clockwise
  • Configuration: V 12, 4-Stroke-Cycle Diesel
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