Cat® C7.1 Industrial Power Unit

The C7.1 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.

Minimum Rating
156 bhp
Maximum Rating
275 bhp
Emissions
China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent. Designed to meet China Stage III emission standards.
Rated Speed
116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm

Specs

Power Rating

Minimum Rating
156bhp
Maximum Rating
275bhp
Rated Speed
116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Rating
156BHP
Maximum Rating
275BHP
Rated Speed
116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Maximum Power
275HP
Maximum Torque
774lb-ft @ 1400 rpm
Minimum Power
156HP

Emission Standards

Emissions
China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent. Designed to meet China Stage III emission standards.
Emissions
China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent. Designed to meet China Stage III emission standards.

General

Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
105 mm (4.1 in)
Stroke
135 mm (5.3 in)
Displacement
7.01 L (427.7 in³)
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
16.8:1
Combustion System
Direct Injection
Rotation (from flywheel end)
Counterclockwise
Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
105 mm (4.1 in)
Stroke
135 mm (5.3 in)
Displacement
7.01 L (427.7 in³)
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
16.8:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Bore
4.1in
Stroke
5.3in
Displacement
427.7in³

Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)

Length
1728 mm (68 in)
Width
788 mm (31 in)
Height
1140 mm (44.8)

Power Unit Dimensions - Approximate

Weight - Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
788 kg (1737 lbs)
Width
788 mm (31 in)
Height
1140 mm (44.8)
Length
1728 mm (68 in)

Power Unit Dimensions

Weight
1737lb
Width
31in

Features

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOS℠ sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
  • Scheduled maintenance, including SOS℠ sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

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
    • Cooling system designed for operation in 48 C (118 F) ambient.
  • 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
    • ACERT 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.
  • General
    • Paint: Caterpillar yellow

Optional Equipment