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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Power Rating
Maximum Power302 hp
Maximum Torque940 lb-ft @ 1400 rpm
Rated Speed1800-2200 rpm
Minimum Power202 hp
Emission Standards
EmissionsU.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final)
General
Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
Bore4.1 in
Stroke5.3 in
Displacement427.7 in³
Compression Ratio16.5:1
AspirationSeries Turbocharged Aftercooled (TTA)
Rotation from Flywheel EndCounterclockwise
AftertreatmentDOC+DPF+SCR
Power Unit Dimensions
Length69.6 in
Width36.1 in
Height57.5 in
Weight2204 lb
Aftertreatment Dimensions
Length30.4 in
Width31.2 in
Height18.4 in
Weight198 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