Cat® C7.1 ACERT™ Diesel Engine

Cat® C7.1 ACERT™ Diesel Engine

The Cat® C7.1 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 116-205 bkW (156.2 bhp-275 bhp) @2200 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Industries and applications powered by C7.1 ACERT 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.

Download Product Brochure

Power Rating

Minimum Power
Maximum Power
Rated Speed
2200 rpm

Emission Standards

China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent


Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
105 mm (4.1 in)
135 mm (5.3 in)
7.01 L (427.7 in³)
Turbocharged Aftercooled (TA)
Rotation (from flywheel end)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

929 mm (35.5 in)
725 mm (28.5 in)
835 mm (32.87 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
524 kg (1155 lb)

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, 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
  • Fuel System
    • Electronic high pressure common rail, ACERTTM Technology, innovative filter design to ensure maximum protection of the engine.
  • 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