C7.1 High Performance Propulsion Engine

The C7.1 marine propulsion engine is 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 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

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

Additional information

Offering Type

Ratings - Power Range

400 bhp – 500 bhp (298 bkW – 373 bkW)

Engine Specifications - Speed Range

2900 rpm

Engine Specifications - Rotation from Flywheel End

Counterclockwise

Engine Specifications - Bore

105 mm ( 4.13 in )

Engine Specifications - Stroke

135 mm ( 5.31 in )

Engine Specifications - Aspiration

Turbocharged, aftercooled

Engine Specifications - Displacement

7.01 l ( 428 in³ )

Engine Specifications - Configuration

In-line 6, 4-Stroke-Cycle Diesel

Engine Specifications - Emissions

IMO II, U.S. EPA Tier 3, RCD II, China II

Dimensions & Weights - Width - Engine

798 mm ( 31.4 in )

Dimensions & Weights - Height

876 mm ( 34.5 in )

Dimensions & Weights - Engine Dry Weight - Approximate

760 kg ( 1676 lb )

Dimensions & Weights - Length - Engine

1095 mm ( 43.1 in )

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