C7.1 LRC Diesel Engines - Lesser Regulated & Non-Regulated

Cat® C7.1 Diesel Engine

Industrial
Industrial (100)

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.

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 mo...
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
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

Power Rating

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

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
4.1in
Stroke
5.3in
Displacement
427.7in³
Compression Ratio
18.2:1
Combustion System
Direct Injection
Aftertreatment
-
Engine Configuration
Inline 6, 4-Stroke-Cycle
Bore
4.1in
Stroke
5.3in
Displacement
427.7in³
Compression Ratio
18.2:1
Aspiration
Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-

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
44.9in
Height
32.3in
Width
28.4in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1118lb
Length
44.9in
Width
28.4in
Height
32.3in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1118lb

Standard/Optional Features

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:

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