C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Dimensions & Weights
- Length
- 43.1in
- Height
- 35.1in
- Minimum Width
- 31.4in
- Maximum Width
- 33.5in
- Minimum Engine Dry Weight
- 1609lb
- Maximum Engine Dry Weight
- 1676lb
Engine Specifications
- Configuration
- In-line 6, 4-stroke-cycle diesel
- Emissions
- U.S. EPA Tier 3 / IMO II emissions certified (commercial), RCD 2016 compliant, EU Stage IIIA compliant, CCNR Stage II through reciprocity with EU Stage IIIA
- Rated Engine Speed
- 2300 - 2700 rpm
- Bore
- 4.13in
- Stroke
- 5.31in
- Displacement
- 428in³
- Aspiration
- Turbocharged-aftercooled aspiration
- Governor
- Electronic (A5E2 V2 ECM)
- Refill Capacity
- Lube Oil System w/Oil filter change: 20 L (5.3 gal)
- Oil Change Interval
- 500 hrs
- Cooling
- Heat exchanger or keel cooled
- Flywheel Housing
- SAE No. 03 with SAE 11.5 in flywheel
- Rotation
- Counterclockwise from flywheel end
Reliability & Durability
Superior response time and acceleration; 12V or 24V electrical system; Gear driven jacket water pump and sea water pump for superior reliability; Maintenance free valve train with hydraulic valve lash adjusters
Easy to use
Compatible with Cat® displays and electronics; Self priming fuel system ensures a smooth start every time
Environment friendly
No visible smoke; Common rail fuel system enables optimum combustion and low emissions; Reduced combustion noise through advanced electronic control; Closed crankcase ventilation system improves engine room cleanliness