New | 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
Length43.1 in
Height35.1 in
Minimum Width31.4 in
Maximum Width33.5 in
Engine Specifications
ConfigurationIn-line 6, 4-stroke-cycle diesel
EmissionsU.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 Speed2300 - 2700 rpm
Bore4.13 in
Stroke5.31 in
Displacement428 in³
AspirationTurbocharged-aftercooled aspiration
GovernorElectronic (A5E2 V2 ECM)
Refill CapacityLube Oil System w/Oil filter change: 20 L (5.3 gal)
Oil Change Interval500 hrs
CoolingHeat exchanger or keel cooled
Flywheel HousingSAE No. 03 with SAE 11.5 in flywheel
RotationCounterclockwise from flywheel end

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

Compatible With Cat® Displays And Electronics; Self Priming Fuel System Ensures A Smooth Start Every Time

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

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

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