The Cat® C7.1 Industrial Diesel Engine is offered in ratings ranging from 112-162 bkW (150-220 bhp) @ 1950-2200 rpm. These ratings meet China Stage II, U.S. EPA Tier 2 equivalent, and EU Stage II equivalent emission standards. 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.
Maximum Power 217 HP
Maximum Torque 663 lb-ft @ 1400 rpm
Emissions China Nonroad Stage III, UN ECE R96 Stage IIIA
Rated Speed 1950-2200 rpm
Maximum Power 217HP
Maximum Torque 663lb-ft @ 1400 rpm
Minimum Power 150HP
Rated Speed 1950-2200 rpm
Emissions China Nonroad Stage III, UN ECE R96 Stage IIIA
Height 32.3in
Length 44.9in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1118lb
Width 28.4in
Aftertreatment -
Aspiration Turbocharged Aftercooled (TA)
Bore 4.1in
Combustion System Direct Injection
Compression Ratio 18.2:1
Displacement 427.7in³
Engine Configuration Inline 6, 4-Stroke-Cycle
Rotation from Flywheel End Counterclockwise
Stroke 5.3in
Standard air cleaners
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
Diesel particulate filter and regeneration system supplied, with a range of inlet and outlet options
Wide choice of drivetrain interfaces, including SAE1, SAE2 or SAE3 configurations
Wide choice of sumps for different applications
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.
Paint: Caterpillar yellow, with optional colors available at request
