Marine Auxiliary Engines

Meet the new C7.1 Commercial Propulsion Engine Meet the new C7.1 Commercial Propulsion Engine
C7.1 Marine Propulsion Engine Walkaround C7.1 Marine Propulsion Engine Walkaround
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SPECS SUMMARY

Length43.1 in (1095 mm)
Power Range208 bkW (280 bhp) @ 2300 rpm
ConfigurationIn-line 6, 4-stroke-cycle diesel
Height35.1 in (891 mm)
C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)

Specifications

Length43.1 in (1095 mm)
Power Range208 bkW (280 bhp) @ 2300 rpm
ConfigurationIn-line 6, 4-stroke-cycle diesel
Height35.1 in (891 mm)
Minimum Width31.4 in (798 mm)
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
Maximum Width33.5 in (850 mm)
Rated Engine Speed2300 rpm
Minimum Engine Dry Weight1609 lb (730 kg)
Bore4.13 in (105 mm)
Maximum Engine Dry Weight1676 lb (760 kg)
Stroke5.31 in (135 mm)
Displacement428 in³ (7.01 l)
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

Benefits and Features

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

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

Optional Equipment

  • Various 6" water cooled exhaust elbow configurations
  • 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
  • SOLAS double wall high pressure fuel lines kit
  • Left-hand and right-hand oil dipsticks
  • Transmission gear oil cooler (engine mounted)
  • Additional engine and transmission sensor packages for on or off vessel monitoring
  • Engine mounted secondary alternator - 24V 100 amp or 12V 175 amp
  • Glow plugs