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C7.1 High Performance Propulsion Engine

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

Overview

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

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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
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
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Dimensions & Weights

Length
43.1in
Height
34.5in
Minimum Width
31.4in
Maximum Width
33.5in
Dry Weight
1676lb
Minimum Engine Dry Weight
1609lb
Maximum Engine Dry Weight
1676lb
Width
31.4in

Engine Specifications

Configuration
In-line 6, 4-stroke-cycle diesel
Emissions
U.S. EPA Tier 3, IMO II, RCD II, China II
Rated Engine Speed
2300 - 2700 rpm
Bore
4.13in
Stroke
5.31in
Displacement
428in³
Aspiration
Turbocharged-aftercooled
Governor
Electronic (A5E2 V2 ECM)
Refill Capacity
20 L (5.3 gal)
Oil Change Interval
500 hrs
Cooling
Heat exchange or keel cooled
Flywheel Housing
SAE No. 03
Rotation
Counterclockwise from the flywheel end
Speed Range
2300 - 2700 rpm

Power Rating

Power Range
280 bhp - 425 bhp (209 bkW - 317 bkW)

Standard/Optional Features

Standard Equipment:

  • Standard Equipment
    • Water-cooled turbocharger and exhaust manifold
    • Common rail fuel system
    • Corrosion-resistant sea water aftercooler
    • Closed crankcase ventilation system
    • Starter motors - 12V or 24V
    • Fuel cooler
    • Integral engine oil cooler
    • Vibration damper and guard
    • Electric fuel priming pump
    • Self-tensioning multi-vee alternator drive belt
    • Gear-driven seawater pump (rubber impeller)
    • Fin and tube-type jacket water heat exchanger
    • Front and rear engine mounting brackets

Optional Equipment:

  • Optional Attachments
    • Marine Classification Society (MCS) Approval ABS, BV, CCS, CRS, *DNV-GL, IRS, LR, Class NK, PRS, RINA (*DNV-GL approval available for keel-cooled engines only)
    • SOLAS double wall high-pressure fuel lines
    • Engine mounted bilge pumps and auxiliary water pumps with electromagnetic clutch
    • Engine-mounted secondary alternator - 24V 55 amp or 12V 100 amp
    • Analogue gauge displays
    • Transmission gear oil cooler (engine mounted)
    • Glow plugs
    • Jacket water heater
    • Various 5" and 6" water cooled exhaust elbow configurations
    • Cabin heater (calorifier) connections
    • Right-hand and high-level left-hand oil dipsticks
    • Mechanical throttle converter for repower

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C7.1 Tier 3 / IMO II Commercial Propulsion Engines

Configuration
In-line 6, 4-stroke-cycle diesel
Bore
4.13 in
Stroke
5.31 in
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Configuration
In-line 6, 4-stroke-cycle diesel
Bore
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Stroke
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Configuration
In-line 6, 4-Stroke-Cycle Diesel
Bore
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Stroke
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