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

C7.1 Marine Auxiliary 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

Power Rating

Power Range 208 bkW (280 bhp) @ 2300 rpm

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 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

Standard Equipment

  • Cooling System
    • Gear driven jacket water pump
    • Corrosion resistant sea water aftercooler
    • Fuel cooler
  • Exhaust System
    • Watercooled turbocharger and exhaust manifold
  • Fuel System
    • Common rail fuel system
    • Electric fuel priming pump
  • General
    • Vibration damper and guard
    • Self-tensioning multi-vee belt drive
  • Lube System
    • Closed crankcase ventilation system
    • Integral engine oil cooler
  • Mounting System
    • Front and rear engine mounting brackets
  • Starting System
    • Starter motors - 12V or 24V

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