Cat® C7.1 Diesel Engine

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.

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

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

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

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
Compression Ratio
18.2:1
Combustion System
Direct Injection
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

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

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

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: