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Cat® C7.1 Diesel Engine

The Cat® C7.1 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.

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SPECIFICATION SUMMARY
  • Minimum Power 156.2 bhp
  • Maximum Power 275.0 bhp
  • Emissions China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
  • Rated Speed 2200 rpm

PRICE (USD)
Call 440-838-7348 for rate information

Power Rating

  • Minimum Power
    156.2 bhp
  • Maximum Power
    275.0 bhp
  • Rated Speed
    2200 rpm
  • Minimum Power
    155.6 HP
  • Maximum Power
    275 HP
  • Rated Speed
    2200-2500 rpm
  • Maximum Torque
    774 lb-ft @ 1400 rpm
  • Maximum Power
    275 HP
  • Maximum Torque
    774 lb-ft @ 1400 rpm
  • Rated Speed
    2200-2500 rpm
  • Minimum Power
    155.6 HP

Emission Standards

  • Emissions
    China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
  • Emissions
    China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
  • Emissions
    China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

General

  • Engine Configuration
    In-Line 6, 4-Stroke-Cycle Diesel
  • Bore
    105 mm (4.1 in)
  • Stroke
    135 mm (5.3 in)
  • Displacement
    7.01 L (427.7 in³)
  • Aspiration
    Turbocharged Aftercooled (TA)
  • Rotation (from flywheel end)
    Counterclockwise
  • Engine Configuration
    In-Line 6, 4-Stroke-Cycle Diesel
  • Bore
    105 mm (4.1 in)
  • Stroke
    135 mm (5.3 in)
  • Aspiration
    Turbocharged Aftercooled (TA)
  • Displacement
    7.01 L (427.7 in³)
  • Rotation from Flywheel End
    Counterclockwise
  • Bore
    4.1 in
  • Stroke
    5.3 in
  • Displacement
    427.7 in³
  • Engine Configuration
    In-Line 6, 4-Stroke-Cycle Diesel
  • Bore
    4.1 in
  • Stroke
    5.3 in
  • Displacement
    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
    725 mm (28.5 in)
  • Height
    835 mm (32.87 in)
  • Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
    524 kg (1155 lb)

Engine Dimensions - Approximate

  • Height
    835 mm (32.87 in)
  • Length
    929 mm (35.5 in)
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    524 kg (1155 lb)
  • Width
    725 mm (28.5 in)
  • Width
    26.3 in
  • Height
    32.2 in
  • Length
    36.6 in
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    1115 lb
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    1115 lb
  • Length
    36.6 in
  • Width
    26.3 in
  • Height
    32.2 in

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
  • 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

Optional Equipment:

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