Cat® C2.2 Diesel Engine

The new electronic Cat® C2.2 Industrial Diesel Engines, with common rail fuel system, deliver impressive performance throughout a wide speed range with exceptional power density. Ultracompact package size and extensive options make them ideal for agriculture, aerial lifts, compressors, construction, general industrial, irrigation equipment, material handling, mobile earthmoving equipment, mobile light towers, turf and landscaping, underground mining equipment, and welders.

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 ratings and options for compact construction equipment, material handling, and other industrial applications. The engine is designed to require no special training or operation, which makes it particularly suitable for machines that are used in rental fleets.

Package Size

Ultra-compact package size and high power density ensures ease of installation. It also allows machine manufacturers to develop smaller machines, with low weight for transport, tight turning circles for productivity, and good sight lines for safety.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•S℠ 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

Control System
  • Alternator 12 volt 85 amp
  • Starter motor 12 volt
  • Glow plug starting aid, delivers heat directly to cylinder for best starting performance in cold weather
  • Electronic control unit - chassis mounted
  • Flexible and configurable software features and well supported SAE J1939 CAN bus enables highly integrated machines
  • Wiring harness connectors and sensors are waterproof and designed to withstand harsh off-highway environments
Flywheels and Flywheel Housing
  • SAE No. 4 standard flywheel housing
  • Choice of flywheel weight and bolting pattern to accommodate a range of industry-standard hydraulic pumps and transmissions
Fuel System
  • 2000 bar high-pressure common rail system
  • Proprietary fuel filters to ensure engine protection through correct service procedures, along with water-in-fuel detection, ensures maximum machine up-time for the operator
Lube System
  • Alternative oil fillers
  • Spin-on lube oil filter
Power Take Off (PTO)
  • SAE A PTO drive
  • Cast iron engine block
  • Cast iron exhaust manifold
  • Gradeability 35° continuous
  • Paint: Cat yellow
Aftertreatment/Clean Emissions Control Equipment
  • Diesel Oxidation Catalyst (DOC)
  • Diesel Particulate Filter (DPF)

Additional information

Offering Type

Power Rating - Maximum Power

55 kW ( 74 HP )

Power Rating - Maximum Torque

270 Nm @ 1600 rpm ( 199 lb-ft @ 1600 rpm )

Power Rating - Rated Speed

2800 rpm

Power Rating - Minimum Power

45 kW ( 60 HP )

Emission Standards - Emissions

U.S. EPA & CARB Tier 4 Final, EU Stage V

General - Engine Configuration

In-Line 4, 4-Stroke-Cycle Diesel

General - Bore

84 mm ( 3.3 in )

General - Stroke

100 mm ( 3.9 in )

General - Displacement

2.2 l ( 135 in³ )

General - Compression Ratio


General - Aspiration

Turbocharged (T) or Turbocharged-Aftercooled (TA)

General - Combustion System

Direct Injection

General - Rotation from Flywheel End


General - Aftertreatment


Engine Dimensions - Approximate - Length

807 mm ( 31.7 in )

Engine Dimensions - Approximate - Width

529 mm ( 20.8 in )

Engine Dimensions - Approximate - Height

766 mm ( 30.2 in )

Engine Dimensions - Approximate - Weight - Net Dry - Basic Operating Engine Without Optional Attachments

231 kg ( 509 lb )

Aftertreatment Dimensions - Length

408 mm ( 16.1 in )

Aftertreatment Dimensions* - Diameter

155 mm ( 6.1 in )

Aftertreatment Dimensions - Weight

5.8 kg ( 12.8 lb )

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