C7.1
Demanding conditions, applications and environments make Cat® C7.1 Industrial Diesel Engines in this power range the perfect solution for your severe duty equipment. With decades of diesel engine innovation and expertise behind these engines, they deliver the low operating costs and legendary Cat reliability and durability that give you a powerful advantage. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat industrial engine. Industries and applications powered by C7.1 engines include: Agriculture, Ag Tractors, 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. C7.1 engines, with ratings: 105-162 bkW (140-220 lb) @ 1950-2200 rpm, meet China Stage II, U.S. EPA Tier 2 equivalent, EU Stage II equivalent emission standards. They are available in China and non-regulated areas.
| Maximum Power | 217 hp |
|---|---|
| Maximum Torque | 663 lb-ft @ 1400 rpm |
| Rated Speed | 1950-2200 rpm |
| Minimum Power | 150 hp |
| Emissions | China Nonroad Stage III, UN ECE R96 Stage IIIA |
|---|
| Engine Configuration | Inline 6, 4-Stroke-Cycle |
|---|---|
| Bore | 4.1 in |
| Stroke | 5.3 in |
| Displacement | 427.7 in³ |
| Compression Ratio | 18.2:1 |
| Aspiration | Turbocharged Aftercooled (TA) |
| Combustion System | Direct Injection |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | - |
| Length | 44.9 in |
|---|---|
| Width | 28.4 in |
| Height | 32.3 in |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1118 lb |
Air Inlet
- Standard air cleaners
Cooling System
- Top tank temperature 108°C (226°F) as standard to minimize cooling pack size, 50:50 water glycol mix, detailed guidance on cooling system design and validation available to ensure machine reliability
Exhaust System
- Diesel particulate filter and regeneration system supplied, with a range of inlet and outlet options
Flywheels and Flywheel Housing
- Wide choice of drivetrain interfaces, including SAE1, SAE2 or SAE3 configurations
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, factory fitted compressors are also available.
General
- Paint: Caterpillar yellow, with optional colors available at request
Need installed dimensions with enclosure and tank? See Model Configurations