C2.2 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

Select Units


Cat® C2.2 Industrial Diesel Engines deliver impressive performance throughout a wide speed range with exceptional power density. Their ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. 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. C2.2 engines, with ratings: 31-49.3 bkW (41.6-66.1 bhp) @ 2200-3000 rpm, meet EPA Tier 4 Interim equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Power Rating

  • Minimum Power 41.6 BHP 31.0 bkW
  • Maximum Power 66.1 BHP 49.3 bkW
  • Rated Speed 2200-3000 rpm 2200-3000 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Interim Equivalent U.S. EPA Tier 4 Interim Equivalent


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

Engine Dimensions - Approximate

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

News & Events

View the latest company and product news, events and customer stories.


View the latest offers available on a range of Cat® equipment and genuine parts.

Social Media

Connect with us to learn more about our company, products, services and customers.

Branch Locations

With branches across the UK & Ireland, you can be sure that we’re never far away.


Effectively manage your equipment to reduce operating costs and improve efficiency.


Integrated technology can help you understand your equipment's output and help extend its lifespan.


Quick and easy financing with customised payment plans through Cat Financial.

Please share your feedback on!

Close window

We are committed to providing you with the best site experience possible.  Please take our brief survey to tell us how we are doing.

Thank you in advance for your time!