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

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  • Dimensions & Weights
    Dry Weight
    1676 lb
    Height
    34.5 in
    Length
    43.1 in
    Width
    31.4 in
  • Engine Specifications
    Aspiration
    Turbocharged-aftercooled
    Bore
    4.13 in
    Configuration
    In-line 6, 4-stroke-cycle diesel
    Cooling
    Heat exchange or keel cooled
    Displacement
    428 in³
    Emissions
    U.S. EPA Tier 3, IMO II, RCD II, China II
    Flywheel Housing
    SAE No. 03
    Governor
    Electronic (A5E2 V2 ECM)
    Oil Change Interval
    500 hrs
    Refill Capacity
    20 L (5.3 gal)
    Rotation
    Counterclockwise from the flywheel end
    Speed Range
    2300 - 2700 rpm
    Stroke
    5.31 in
  • Power Rating
    Power Range
    280 bhp - 425 bhp (209 bkW - 317 bkW)
General
  • Marine Classification Society (MCS) Approval
  • Water-cooled turbocharger and exhaust manifold
  • Closed crankcase ventilation system
  • Integral engine oil cooler
  • Self-tensioning multi-vee alternator drive belt
Fuel System
  • Common rail fuel system
  • Starter motors - 12V or 24V
  • Fuel cooler
  • Electric fuel priming pump
Starting System
  • Corrosion-resistant sea water aftercooler
Mounting System
  • Vibration damper and guard
  • Front and rear engine mounting brackets
Cooling System
  • Gear-driven seawater pump (rubber impeller)
  • Fin and tube-type jacket water heat exchanger
Fuel System
  • SOLAS double wall high-pressure fuel lines
General
  • Engine-mounted secondary alternator - 24V 55 amp or 12V 100 amp
  • Analogue gauge displays
  • Glow plugs
  • Mechanical throttle converter for repower
Cooling System
  • Transmission gear oil cooler (engine mounted)
  • Jacket water heater
  • Cabin heater (calorifier) connections
Exhaust System
  • Various 5" and 6" water cooled exhaust elbow configurations
Lube System
  • Right-hand and high-level left-hand oil dipsticks