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Cat® C7.1 Diesel Engine

At a glance data:

Maximum Power:
275hp
Maximum Torque:
774lb-ft @ 1400 rpm
Rated Speed:
2200-2500 rpm
Minimum Power:
155.6hp

Overview

The Cat® C7.1 Industrial Diesel Engine is offered in ratings ranging from 116-205 bkW (156.2 bhp-275 bhp) @2200 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Industries and applications powered by C7.1 ACERT 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:
275hp
Maximum Torque:
774lb-ft @ 1400 rpm
Rated Speed:
2200-2500 rpm
Minimum Power:
155.6hp

Emission Standards

Emissions:
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

General

Engine Configuration:
In-Line 6, 4-Stroke-Cycle Diesel
Bore:
4.1in
Stroke:
5.3in
Displacement:
427.7in³
Aspiration:
Turbocharged Aftercooled (TA)
Rotation from Flywheel End:
Counterclockwise
Aftertreatment:
-

Engine Dimensions - Approximate

Length:
36.6in
Width:
26.3in
Height:
32.2in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments:
1115lb

Standard Equipment

air inlet

  • Standard air cleaners

control system

  • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments, flexible and configurable software features and well supported SAE J1939 CAN bus enables highly integrated machines

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

fuel system

  • Electronic high pressure common rail, ACERTTM Technology, innovative filter design to ensure maximum protection of the engine.

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