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Caterpillar
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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Specifications
Power Rating
| Spec | Value |
|---|---|
| Maximum Power | 275 hp 205 kW |
| Maximum Torque | 774 lb-ft @ 1400 rpm 1050 Nm @ 1400 rpm |
| Rated Speed | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm |
| Minimum Power | 156 hp 116 kW |
Emission Standards
| Spec | Value |
|---|---|
| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA |
General
| Spec | Value |
|---|---|
| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in 105 mm |
| Stroke | 5.3 in 135 mm |
| Displacement | 427.7 in³ 7.01 l |
| Compression Ratio | 16.8:1 16.8:1 |
| Aspiration | Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | - - |
Power Unit Dimensions
| Spec | Value |
|---|---|
| Length | 68 in 1728 mm |
| Width | 31 in 788 mm |
| Height | 44.8 in 1140 mm |
| Weight | 1737 lb 788 kg |
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