C7.1

C7.1 LRC

Overview

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.

Specifications

Units: 
Maximum Power
Maximum Torque
Emissions China Nonroad Stage III, UN ECE R96 Stage IIIA
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Benefits & Features

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

High Performance

Series turbocharging with smart wastegate available on specific ratings for fast response, high power, and increased torque.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

  February 29, 2024

Specifications

Units: 
Power Rating
Maximum Power
Maximum Torque
Rated Speed 1950-2200 rpm
Minimum Power
Emission Standards
Emissions China Nonroad Stage III, UN ECE R96 Stage IIIA
General
Engine Configuration Inline 6, 4-Stroke-Cycle
Bore
Stroke
Displacement
Compression Ratio 18.2:1
Aspiration Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length
Width
Height
Weight - Net Dry - Basic Operating Engine Without Optional Attachments

Benefits & Features

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

High Performance

Series turbocharging with smart wastegate available on specific ratings for fast response, high power, and increased torque.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

World-class Product Support Offered Through Global Cat Dealer Network

    • Scheduled maintenance, including SOSSM sample
    • Customer Support Agreements (CSA)
    • Caterpillar Extended Service Coverage (ESC)
    • Superior dealer service network
    • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Standard Equipment

  • 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

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