Cat® C7.1 Industrial Power Unit

Overview
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.
  • Exterior View

Power Rating

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

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
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 in
Stroke
5 in
Displacement
428 in³
Aftertreatment
-
Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
4 in
Stroke
5 in
Displacement
428 in³
Compression Ratio
16.8:1
Aspiration
Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
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

Weight
1,737 lb
Width
31 in
Length
68 in
Height
45 in
Length
68 in
Width
31 in
Height
45 in
Weight
1,737 lb

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
  • 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
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