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
Minimum Engine Dry Weight
1609lb
Maximum Engine Dry Weight
1676lb

Power Rating

Minimum Rating
280BHP
Maximum Rating
425BHP

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
    Cooling System
    • Engine mounted bilge pumps and auxiliary water pumps with electromagnetic clutch
    • Tube and bundle jacket water heat exchanger and gear-driven sea water pump (rubber impeller)
    • Jacket water heater
    • Cabin heater (calorifier) connections
    Fuel System
    • SOLAS double wall high pressure fuel lines kit
    Lube System
    • Left-hand and right-hand oil dipsticks
    • Transmission gear oil cooler (engine mounted)
    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