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Caterpillar
Cat® C7.1 Industrial Power Unit
The C7.1 Industrial Power Unit is offered in ratings ranging from 151-225 kW (202-302 hp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage IV and Japan 2014 (Tier 4 Final) emission standards. Conveniently pre-configured for a wide range of applications, the Cat® 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 | 302 HP 225 kW |
| Maximum Torque | 940 lb-ft @ 1400 rpm 1274 Nm @ 1400 rpm |
| Rated Speed | 1800-2200 rpm 1800-2200 rpm |
| Minimum Power | 202 HP 151 kW |
Emission Standards
| Spec | Value |
|---|---|
| Emissions | U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) |
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 | 16.5:1 16.5:1 |
| Aspiration | Series Turbocharged Aftercooled (TTA) Series Turbocharged Aftercooled (TTA) |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | DOC+DPF+SCR DOC+DPF+SCR |
Power Unit Dimensions
| Spec | Value |
|---|---|
| Length | 69.6 in 1769 mm |
| Width | 36.1 in 916 mm |
| Height | 57.5 in 1461 mm |
| Weight | 2204 lb 1000 kg |
Aftertreatment Dimensions
| Spec | Value |
|---|---|
| Length | 30.4 in 771 mm |
| Width | 31.2 in 793 mm |
| Height | 18.4 in 468 mm |
| Weight | 198 lb 90 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
- Guidance on cooling system design available through your dealer to ensure equipment reliability
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
Lube System
- Wide choice of sumps for different applications
General
- Paint: Caterpillar yellow, with optional colors available at request
U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) Aftertreatment/ Clean Emissions Control Equipment
- Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
- NOx Reduction System (NRS)
- Selective Catalytic Reduction (SCR)
- 3″ flex pipe connection with straight, 45°, and 90° options for flexibility