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Power units

C7.1

The C7.1 Industrial Power Unit is offered in ratings ranging from 151-225 kW (202-302 hp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage IV and Japan 2014 (Tier 4 Final) emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

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800.768.4200
Power Rating
Maximum Power 302 hp
Maximum Torque 940 lb-ft @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 202 hp
Emission Standards
Emissions U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final)
General
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in
Stroke 5.3 in
Displacement 427.7 in³
Compression Ratio 16.5:1
Aspiration Series Turbocharged Aftercooled (TTA)
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR
Power Unit Dimensions
Length 69.6 in
Width 36.1 in
Height 57.5 in
Weight 2204 lb
Aftertreatment Dimensions
Length 30.4 in
Width 31.2 in
Height 18.4 in
Weight 198 lb

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
  • Guidance on cooling system design available through your dealer to ensure equipment reliability

Flywheels and Flywheel Housing

  • Wide choice of drivetrain interfaces, including SAE No. 1, SAE No. 2, and SAE No. 3 configurations

Fuel System

  • Electronic high pressure common rail

Lube System

  • Wide choice of sumps for different applications

General

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

U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) Aftertreatment/ Clean Emissions Control Equipment

  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • NOx Reduction System (NRS)
  • Selective Catalytic Reduction (SCR)
  • 3" flex pipe connection with straight, 45°, and 90° options for flexibility
Need installed dimensions with enclosure and tank? See Model Configurations