C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

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Dimensions & Weights

Length
43.1in
Height
35.1in
Minimum Width
31.4in
Maximum Width
33.5in

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

Standard Equipment:

Optional Equipment:

    Air Inlet System
    • Various 6" water cooled exhaust elbow configurations
    Lube System
    • Left-hand and right-hand oil dipsticks
    • Transmission gear oil cooler (engine mounted)
    • Closed crankcase ventilation system
    • Integral engine oil cooler
    Protection System
    • Additional engine and transmission sensor packages for on or off vessel monitoring
    Starting System
    • Engine mounted secondary alternator - 24V 100 amp or 12V 175 amp
    • Glow plugs
    • Starter motors - 12V or 24V