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C7.1 High Performance Propulsion Engine

C7.1 High Performance Propulsion Engine

At a Glance

Power Range
298 bkW - 373 bkW (400 bhp - 500 bhp)
Engine Dry Weight - Approximate
1653 lb
Turbocharged, aftercooled
4.13 in
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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.


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

Dimensions & Weights

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

Engine Specifications

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