C7.1

Caterpillar

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.

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.

Brochures and Spec Sheets

C7.1 Marine High Performance Engine Spec Sheet (298 - 373 bkW)

Gallery

Specifications

Specification	Value	Unit
Power Range
Speed Range
Rotation from Flywheel End
Bore	4.13	in
Stroke	5.31	in
Aspiration
Displacement	428	in³
Configuration
Emissions
Width - Engine	31.4	in
Height	34.5	in
Engine Dry Weight - Approximate	1676	lb
Length - Engine	43.1	in

Standard Equipment

Exhaust System
Fuel System
Cooling System
Starting System
General
Mounting System

Optional Equipment

OPTIONAL ATTACHEMENTS
General
Cooling System
Exhaust System
Mounting System
Lube System