C7.1

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

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

Product Images

Product Videos

Virtual Product Tour (VPT)

Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Power Rangetext280 bhp - 425 bhp (209 bkW - 317 bkW)
Speed Rangetext2300 - 2700 rpm
EmissionstextU.S. EPA Tier 3, IMO II, RCD II, China II

View All Specifications (18)

Documents & Spec Sheets

C7.1 Marine Commerical Prop Spec Sheet (209 bkW - 317bkW)

Download

Features & Benefits

Key Features & Benefits
  • Common rail fuel system enables optimum combustion and low emissions
  • Reduced combustion noise through advanced electronic control
  • 12V or 24V electrical system
  • Compatible with Cat® displays and electronics
  • Closed crankcase ventilation system improves engine room cleanliness
  • Gear-driven jacket water pump and sea water pump for superior reliability
  • Maintenance free valve train with hydraulic valve lash adjusters
  • Self-priming fuel system ensures a smooth start every time

Complete Specifications

Power Rating

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Power Rangetext280 bhp - 425 bhp (209 bkW - 317 bkW)
Speed Rangetext2300 - 2700 rpm
EmissionstextU.S. EPA Tier 3, IMO II, RCD II, China II
ConfigurationtextIn-line 6, 4-stroke-cycle diesel
Displacementmeasurement428in³7.01l
AspirationtextTurbocharged-aftercooled
GovernortextElectronic (A5E2 V2 ECM)
Flywheel HousingtextSAE No. 03
Boremeasurement4.13in105mm
Strokemeasurement5.31in135mm
Refill Capacitytext20 L (5.3 gal)
Oil Change Intervaltext500 hrs
RotationtextCounterclockwise from the flywheel end
CoolingtextHeat exchange or keel cooled
Dry Weightmeasurement1676lb760kg
Heightmeasurement34.5in876mm
Lengthmeasurement43.1in1095mm
Widthmeasurement31.4in798mm

Standard Equipment

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

Optional Equipment

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

Attachments