C7.1 High Performance Propulsion Engine

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.

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 CatĀ® displays and electronics
  • Closed crankcase ventilation system improves engine room cleanliness
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 CatĀ® 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

Ratings

Power Range
298 bkW - 373 bkW (400 bhp - 500 bhp)
Power Range
400 bhp - 500 bhp (298 bkW - 373 bkW)

Engine Specifications

Speed Range
2900 rpm
Emissions
EPA Tier 3 Recreational, IMO II, RCD 2016
Aspiration
Turbocharged, aftercooled
Bore
4.13in
Stroke
5.31in
Displacement
427.16in3
Rotation (from flywheel end)
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Aspiration
Turbocharged, aftercooled
Bore
4.13in
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Displacement
427.16inĀ³
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
Rotation from Flywheel End
Counterclockwise
Speed Range
2900 rpm
Stroke
5.31in

Dimensions & Weights

Length of Engine
54.9in
Height
34.5in
Width of Engine
31.4in
Engine Dry Weight - Approximate
1653lb
Height
34.5in
Length - Engine
54.9in
Width - Engine
31.4in

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 sea water pump (rubber impeller)
    • Fin and tube type jacket water heat exchanger
    • Front and rear engine mounting brackets

Optional Equipment:

  • 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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Configuration
In-line 6, 4-Stroke-Cycle Diesel
Bore
4.13 in
Stroke
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Configuration
In-line 6, 4-Stroke-Cycle Diesel
Bore
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Configuration
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Bore
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