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Cat® C7.1 Diesel Engine

At a glance data:

Maximum Power:
217hp
Maximum Torque:
663lb-ft @ 1400 rpm
Rated Speed:
1950-2200 rpm
Minimum Power:
150hp

Overview

The Cat®®C7.1 Industrial Diesel Engine is offered in ratings ranging from 112-162 bkW (150-220 bhp) @ 1950-2200 rpm. These ratings meet China Stage II, U.S. EPA Tier 2 equivalent, and EU Stage II equivalent emission standards. Industries and applications powered by C7.1 engines include: Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers and Underground Mining Equipment.

Power Rating

Maximum Power:
217hp
Maximum Torque:
663lb-ft @ 1400 rpm
Rated Speed:
1950-2200 rpm
Minimum Power:
150hp

Emission Standards

Emissions:
China Nonroad Stage III, UN ECE R96 Stage IIIA

General

Engine Configuration:
Inline 6, 4-Stroke-Cycle
Bore:
4.1in
Stroke:
5.3in
Displacement:
427.7in³
Compression Ratio:
18.2:1
Aspiration:
Turbocharged Aftercooled (TA)
Combustion System:
Direct Injection
Rotation from Flywheel End:
Counterclockwise
Aftertreatment:
-

Engine Dimensions - Approximate

Length:
44.9in
Width:
28.4in
Height:
32.3in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments:
1118lb

Standard Equipment

air inlet

  • Standard air cleaners

cooling system

  • Top tank temperature 108°C (226°F) as standard to minimize cooling pack size, 50:50 water glycol mix, detailed guidance on cooling system design and validation available to ensure machine reliability

exhaust system

  • Diesel particulate filter and regeneration system supplied, with a range of inlet and outlet options

flywheels and flywheel housing

  • Wide choice of drivetrain interfaces, including SAE1, SAE2 or SAE3 configurations

lube system

  • Wide choice of sumps for different applications

power take off

  • SAE A or SAE B flanges on left-hand side. Right- hand side twin PTO also available. Engine power can also be taken from the front of the engine on some applications, factory fitted compressors are also available.

general

  • Paint: Caterpillar yellow, with optional colors available at request

Optional Equipment