Cat® C7.1 Industrial Power Unit

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Cat® C7.1 Industrial Power Unit

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
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 105 mm (4.1 in)
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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.

Fuel Efficiency

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.

Package Size

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
  • 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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