C7.1 High Performance Propulsion Engine

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C7.1 High Performance Propulsion Engine

Power Range400 – 500 bhp (298 – 373 bkW)
Speed Range2900 rpm
EmissionsIMO II, U.S. EPA Tier 3, RCD II, China II
Rotation from Flywheel EndCounterclockwise
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Learn more about our C7.1 High Performance Propulsion Engine

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.

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
Water cooled turbocharger and exhaust manifold
Common rail fuel system
Fuel cooler
Electric fuel priming pump
Corrosion resistant sea water aftercooler
Gear driven sea water pump (rubber impeller)
Fin and tube type jacket water heat exchanger
Starter motors - 12V or 24V
Closed crankcase ventilation system
Integral engine oil cooler
Vibration damper and guard
Self-tensioning multi-vee alternator drive belt
Front and rear engine mounting brackets
Transmission gear oil cooler (engine mounted)
Alternators - 24V 140 amp - 12V 175 amp
Instrument Panels
Glow plugs
Primary fuel filter/water separator (remote mount)
Selection of factory-fitted marine transmissions and oil hoses
Triple groove PTO pulley (crankshaft mounted)
Flexible fuel hoses
Jacket water heater
Cabin heater (calorifier) connections
6" water cooled exhaust elbow
Isolation mounts
Right-hand and high level left hand oil dipsticks
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