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Industrial Diesel Engines - Lesser Regulated & Non-Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® C7.1 Diesel Engine

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.

  • Specification Summary

  • Minimum Power 112.0 bkW
  • Maximum Power 162.0 bkW
  • Frequency 1950-2200 rpm
  • Emissions China Nonroad III, U.S. EPA Tier 2 Equivalent, EU Stage II Equivalent

Product Details

Power Rating

Minimum Power 112.0 bkW
Maximum Power 162.0 bkW
Frequency 1950-2200 rpm

Emission Standards

Emissions China Nonroad III, U.S. EPA Tier 2 Equivalent, EU Stage II Equivalent


Engine Configuration Inline 6, 4-Stroke-Cycle
Bore 105 mm (4.13 in)
Stroke 135 mm (5.3 in)
Displacement 7.01 L (427.7 in³)
Aspiration Turbocharged Aftercooled (TA)
Rotation (from flywheel end) Counterclockwise

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

Length 929 mm (35.5 in)
Width 668 mm (26.2 in)
Height 797 mm (31.4 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 506 kg (1115 lb)
  • 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, ACERT<sup>TM</sup> 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
  • Paint: Caterpillar yellow, with optional colors available at request
    Catepillar Equipments