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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.

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SPECIFICATION SUMMARY
  • Minimum Power 150.0 bhp
  • Maximum Power 220.0 bhp
  • Emissions China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage III Equivalent
  • Rated Speed 1950-2200 rpm

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

Power Rating

  • Minimum Power
    150.0 bhp
  • Maximum Power
    220.0 bhp
  • Rated Speed
    1950-2200 rpm
  • Minimum Power
    150 HP
  • Maximum Power
    217 HP
  • Rated Speed
    1950-2200 rpm
  • Maximum Torque
    663 lb-ft @ 1400 rpm
  • Maximum Power
    217 HP
  • Maximum Torque
    663 lb-ft @ 1400 rpm
  • Rated Speed
    1950-2200 rpm
  • Minimum Power
    150 HP

Emission Standards

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

General

  • 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 Configuration
    Inline 6, 4-Stroke-Cycle
  • Bore
    105 mm (4.13 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
  • Compression Ratio
    18.2:1
  • Combustion System
    Direct Injection
  • Engine Configuration
    Inline 6, 4-Stroke-Cycle
  • Bore
    4.1 in
  • Stroke
    5.3 in
  • Displacement
    427.7 in³
  • Compression Ratio
    18.2:1
  • Aspiration
    Turbocharged Aftercooled (TA)
  • Combustion System
    Direct Injection
  • 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)

Engine Dimensions - Approximate

  • Height
    797 mm (31.4 in)
  • Length
    929 mm (35.5 in)
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    506 kg (1115 lb)
  • Width
    668 mm (26.2 in)
  • Length
    44.9 in
  • Height
    32.3 in
  • Width
    28.4 in
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    1118 lb
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    1118 lb
  • Length
    44.9 in
  • Width
    28.4 in
  • Height
    32.3 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
  • 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

Optional Equipment: