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C7.1 High Performance Propulsion Engine

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C7.1 High Performance Propulsion Engine

Overview

The C7.1 marine propulsion engineis ideal for recreational boating applications, specifically smaller vessels and motoryachts ranging from 25 -60 feet in size. The engine features a common rail fuel system enabling optimum combustion and low emissions. The engines provide noticeably quiet operation due to reduced combustion noise through advanced electronic control. Additionally, no visible smoke is emitted from the C7.1 engines during operation.

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
400 – 500 bhp (298 – 373 bkW)
Speed Range
2900 rpm
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
Rotation from Flywheel End
Counterclockwise
Bore
4.13in
Stroke
5.31in
Aspiration
Turbocharged – Aftercooled
Displacement
428in³
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Width – Engine
31.4in
Height
34.5in
Engine Dry Weight – Approximate
1676lb
Length – Engine
43.1in
  • 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 sea water pump (rubber impeller)
    • Fin and tube type jacket water heat exchanger
    • Front and rear engine mounting brackets
  • Optional Attachements
    • Alternators – 24V 140 amp – 12V 175 amp
    • Transmission gear oil cooler (engine mounted)
    • Instrument Panels
    • Glow plugs
    • Jacket water heater
    • 6″ water cooled exhaust elbow
    • Isolation mounts
    • Primary fuel filter/water separator (remote mount)
    • Selection of factory-fitted marine transmissions and oil hoses
    • Cabin heater (calorifier) connections
    • Triple groove PTO pulley (crankshaft mounted)
    • Flexible fuel hoses
    • Right-hand and high level left hand oil dipsticks

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