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.

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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

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Product 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 Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

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
Aftertreatment
-

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

Length
68in
Width
31in
Height
44.8in
Weight
1737lb

Standard/Optional Features

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: