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Cat® C7.1 Industrial Power Unit

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Overview

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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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

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

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
Maximum Power: 275hp
Maximum Torque: 774lb-ft @ 1400 rpm
Rated Speed: 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 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
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: -
Engine Configuration: Inline 6, 4-Stroke-Cycle Diesel
Bore: 4.1in
Stroke: 5.3in
Displacement: 427.7in³
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

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

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