Cat® C7.1 Diesel Engine

Demanding conditions, applications and environments make the 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: 116-205 bkW (140-275 bhp) @ 2200-2500 rpm, meet China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Specifications
Equipment
Units: US Metric
Power Rating
Maximum Power
275 HP
205 kW
Maximum Torque
774 lb-ft @ 1400 rpm
1050 Nm @ 1400 rpm
Rated Speed
2200-2500 rpm
Minimum Power
155.6 HP
116 kW
Emission Standards
Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Bore
4.1 in
105 mm
Stroke
5.3 in
135 mm
Displacement
427.7 in³
7.01 l
Aspiration
Turbocharged Aftercooled (TA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Engine Dimensions - Approximate
Length
36.6 in
929 mm
Width
26.3 in
668 mm
Height
32.2 in
817 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1115 lb
506 kg
Standard Equipment
Air Inlet
Control System
Cooling System
Exhaust System
Flywheels and Flywheel Housing
Fuel System
Lube System
Power Take Off
General