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Cat® C7.1 Commercial Propulsion

Commercial Propulsion Engines

The Cat® C7.1 commercial propulsion engine delivers responsive, efficient power for commercial vessels operating in demanding conditions. With ratings from 280 to 425 bhp (209 to 317 bkW) at 2300 to 2700 rpm, its compact inline-six configuration supports a range of applications, including tugs, crew boats, push boats and fishing vessels.

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Length 1095 mm
Height 876 mm
Minimum Width 798 mm
Configuration In-line 6, 4-stroke-cycle diesel
Availability Contact Dealer
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Cat® C7.1 Commercial Propulsion
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OVERVIEW

Responsive Power for Demanding Workboat Operations

FEATURES & BENEFITS

Up to 425 bhp Power Range

Commercial propulsion ratings from 280 to 425 bhp provide options for different vessel operating profiles. Read more

Extended Oil Change Intervals

Up to 500 hours in extended oil-change intervals help reduce the frequency of routine engine service. Read more

Compact Package

The compact inline-six configuration supports installation in space-conscious engine rooms. Read more

Two Cooling Configurations

Choose from heat exchanger or keel-cooled configurations based on vessel requirements. Read more

SPECIFICATIONS FOR Cat® C7.1 Commercial Propulsion

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Dimensions & Weights
Length 1095 mm
Height 876 mm
Minimum Width 798 mm
Maximum Width 850 mm
Minimum Engine Dry Weight 730 kg
Maximum Engine Dry Weight 760 kg
Dry Weight 760 kg
Width 798 mm
Engine Specifications
Configuration In-line 6, 4-stroke-cycle diesel
Emissions U.S. EPA Tier 3, IMO II, RCD II, China II
Rated Engine Speed 2300 - 2700 rpm
Bore 105 mm
Stroke 135 mm
Displacement 7.01 l
Aspiration Turbocharged-aftercooled
Governor Electronic (A5E2 V2 ECM)
Refill Capacity 20 L (5.3 gal)
Oil Change Interval 500 hrs
Cooling Heat exchange or keel cooled
Flywheel Housing SAE No. 03
Rotation Counterclockwise from the flywheel end
Speed Range 2300 - 2700 rpm
Application Workboat
Power Rating
Power Range 280 bhp - 425 bhp (209 bkW - 317 bkW)
Spesifikasi Engine
Kecepatan Engine Tetapan

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6 Brick Z-Flow - Length 3751 mm
Power Range 1000-1450 bhp (746-1081 bKW)
Minimum Length 2130 mm
6 Brick Z-Flow - Height 597 mm
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Power Range 6169-8046 bhp (4600-6000 bkW)
Speed Range 900-1000 rpm
Emissions IMO II
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Power Range 454-715 bhp (339-533 bkW)
Speed Range 1800-2100 rpm
Emissions IMO II, EU IIIA
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C32 IMO II

Power Range 660-1450 bhp (492-1081 bkW)
Speed Range 1600-2300 rpm
Emissions IMO II, EU IW
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3512E

Power Range 1341-2550 bhp (1000-1902 bkW)
Speed Range 1600 - 1800 rpm
Emissions U.S. EPA Tier 4, IMO II/III, EU Stage V
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C9.3

Power Range 375-476 bhp (280 - 355 bkW)
Speed Range 1800 - 2300 rpm
Emissions IMO II, U.S. EPA Tier 3, China Stage II
Aspiration Turbocharged - Aftercooled
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3516C Tier 3

Power Range 2131-2675 bhp (1590-1995 bkW)
Speed Range 1600 rpm
Emissions EPA Tier 3, IMO II
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3512C

Power Range 1281 - 2552 bhp
Speed Range 1200 - 1800 rpm
Emissions IMO II, China II
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