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.

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Specifications
Equipment
Units: US Metric
Ratings
Power Range
298 bkW - 373 bkW (400 bhp - 500 bhp)
Engine Specifications
Rotation from Flywheel End
Counterclockwise
Speed Range
2900 rpm
Bore
4.13 in
105 mm
Emissions
EPA Tier 3 Recreational, IMO II, RCD 2016
Stroke
5.31 in
135 mm
Aspiration
Turbocharged, aftercooled
Displacement
427.16 in³
7.01 l
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Dimensions & Weights
Width - Engine
31.4 in
798 mm
Height
34.5 in
876 mm
Engine Dry Weight - Approximate
1653 lb
750 kg
Length - Engine
54.9 in
1394 mm
Standard Equipment
AIR INLET SYSTEM
CONTROL SYSTEM
COOLING SYSTEM
EXHAUST SYSTEM
FLYWHEELS & FLYWHEEL HOUSINGS
FUEL SYSTEM
LUBE SYSTEM
MOUNTING SYSTEM
GENERAL
PROTECTION SYSTEM
PAINTS