; C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II) - H.O. Penn
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C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

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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)

C7.1 High Performance Propulsion Engine
Video Meet the new C7.1 Commercial Propulsion Engine

Meet the new C7.1 Commercial Propulsion Engine
Video C7.1 Marine Propulsion Engine Walkaround

C7.1 Marine Propulsion Engine Walkaround

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  • 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
Power Range
280 bhp – 425 bhp (209 bkW – 317 bkW)
Speed Range
2300 – 2700 rpm
Emissions
U.S. EPA Tier 3, IMO II, RCD II, China II
Configuration
In-line 6, 4-stroke-cycle diesel
Displacement
428in³
Aspiration
Turbocharged-aftercooled
Governor
Electronic (A5E2 V2 ECM)
Flywheel Housing
SAE No. 03
Bore
4.13in
Stroke
5.31in
Refill Capacity
20 L (5.3 gal)
Oil Change Interval
500 hrs
Rotation
Counterclockwise from the flywheel end
Cooling
Heat exchange or keel cooled
Dry Weight
1676lb
Height
34.5in
Length
43.1in
Width
31.4in
  • 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

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3512C

Power Range
1281 – 2552 bhp
Speed Range
1200 – 1800 rpm
Emissions
IMO II, China Stage II
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