The Cat® C2.2 Industrial Diesel Engine is offered in ratings ranging from 31-49.3 bkW (41.6-66.1 bhp) @ 2200-3000 rpm. These ratings meet EU Stage IIIA (U.S. EPA Tier 4 Interim equivalent) emission standards. Industries and applications powered by C2.2 engines include: Agriculture, Aerial Lifts, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Compressors, Construction, General Industrial, Irrigation Equipment, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Mobile Sweepers, Paving Equipment, Pumps, Trenchers, Turf and Landscaping, Underground Mining Equipment and Welders.


Power Rating
Minimum Power 41.6 BHP
Maximum Power 66.1 BHP
Rated Speed 2200-3000 rpm

Emission Standards
Emissions U.S. EPA Tier 4 Interim Equivalent

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 84 mm (3.3 in)
Stroke 100 mm (3.9 in)
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Displacement 2.216 L (135 in³)
Compression Ratio 23.3:1
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Lube System - Refill 10.6 L (11.2 qt)

Engine Dimensions - Approximate
Height 725 mm (28.5 in)
Length 660-664 mm (26-26.14in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 184-194 kg (406-427.7 lb)
Width 459-531 mm (18.1-21 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

Substantial torque rise delivers impressive performance throughout a wide speed range while maintaining low operating costs.

Fuel Efficiency

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

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

Ultra-compact package size ensures ease of installation as well as exceptional power density.

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 System
  • Inlet manifold with choice of inlets.
Control System
  • Alternator 12 volt 65 amp
  • Tier 4 Final: Alternator 12V 85 amp
  • Starter motor 12 volt
  • Glow plug starting aid
Cooling System
  • Belt-driven coolant pump
  • Coolant temperature switch
  • Choice of cooling fans
Flywheels and Flywheel Housing
  • SAE No. 7 1/2, SAE No. 8 or SAE No. 10 flywheel
  • Choice of SAE No. 4 or standard backplate flywheel housing
Fuel System
  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)
Lube System
  • Alternative oil fillers
  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Lube oil sump
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Gradeability 35° continuous
  • Paint: Caterpillar yellow, with optional colors available at request

Feel free to ask a question or share a comment about the information on this page.

To help us answer your question or respond to your comment, please enter your email address.