Power Rating
| Maximum Power | 320 HP 240 kW |
| Maximum Torque | 935 lb-ft @ 1400 rpm 1268 Nm @ 1400 rpm |
| Rated Speed | 2200 rpm 2200 rpm |
| Minimum Power | 172 HP 129 kW |
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Industrial Diesel Engines C7.1
Request A Price Find DealerKey Specs
- Maximum Power
- 320 HP
- 240 kW
- Maximum Torque
- 935 lb-ft @ 1400 rpm
- 1268 Nm @ 1400 rpm
- Emissions
- U.S. EPA & CARB Tier 4 Final, EU Stage V
- U.S. EPA & CARB Tier 4 Final, EU Stage V
Overview
The C7.1 Industrial Diesel Engine is offered in ratings from 129-225 bkW (172-302 bhp) @ 2200 rpm and meets U.S. EPA Tier 4 Final, EU Stage V emission standards. Industries and applications powered by C7.1 engines include: Agriculture, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers and Underground Mining Equipment.
Features At A Glance
Installation
Advanced Features
Ideal Applications
Total Cost of Ownership
Cat Dealer Product Support
Safety
Product Specifications for C7.1
Emission Standards
| Emissions | U.S. EPA & CARB Tier 4 Final, EU Stage V U.S. EPA & CARB Tier 4 Final, EU Stage V |
General
| Engine Configuration | In-Line 6 In-Line 6 |
| Bore | 4.1 in 105 mm |
| Stroke | 5.3 in 135 mm |
| Displacement | 427.7 in³ 7 l |
| Compression Ratio | 16.5:1 16.5:1 |
| Aspiration | Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) |
| Combustion System | Direct Injection Direct Injection |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | DOC+DPF+SCR DOC+DPF+SCR |
Engine Dimensions - Approximate
| Length | 41.9 in 1064 mm |
| Width | 31.4 in 798 mm |
| Height | 35.9 in 912 mm |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1658 lb 752 kg |
Aftertreatment Dimensions
| Length | 29 in 733 mm |
| Width | 30.3 in 769 mm |
| Height | 18.1 in 455 mm |
| Weight | 236 lb 107 kg |
Aftertreatment Dimensions*
| Diameter | 13.3 in 338 mm |
C7.1 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
- Innovative filter design to ensure maximum protection of the engine
Lube System
- Wide choice of sumps for different applications
General
- Paint: Caterpillar yellow, with optional colors available on 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
See how C7.1 compares against frequently compared products.
Industrial
C7.1
Selected
- Maximum Power
- 320 HP
- 240 kW
- Maximum Torque
- 935 lb-ft @ 1400 rpm
- 1268 Nm @ 1400 rpm
- Emissions
- U.S. EPA & CARB Tier 4 Final, EU Stage V
- U.S. EPA & CARB Tier 4 Final, EU Stage V
Industrial
C4.4
- Maximum Power
- 200 HP
- 150 kW
- Maximum Torque
- 609 lb-ft @ 1400 rpm
- 825 Nm @ 1400 rpm
- Emissions
- U.S. EPA & CARB Tier 4 Final, EU Stage V
- U.S. EPA & CARB Tier 4 Final, EU Stage V
Industrial
C9.3B
- Maximum Power
- 456 HP
- 340 kW
- Maximum Torque
- 1540 lb-ft @ 1400 rpm
- 2088 Nm @ 1400 rpm
- Emissions
- EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
- EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
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