Cat® C2.2 Diesel Engine

Cat® C2.2 Diesel Engine

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.

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Power Rating

Minimum Power
Maximum Power
Rated Speed
2200-3000 rpm

Emission Standards

U.S. EPA Tier 4 Interim Equivalent


Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
84 mm (3.3 in)
100 mm (3.9 in)
2.216 L (135 in³)
Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Compression Ratio
Combustion System
Indirect Injection
Rotation (from flywheel end)
Lube System (refill)
10.6 L (11.2 qt)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

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

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
  • General
    • 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