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Cat<sup>®</sup>  C2.2 Industrial Power Unit
Cat® C2.2 Industrial Power Unit
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The Cat® C2.2 Industrial Power Unit is offered in the following rating: 36.4 bkW (48.8 bhp) @ 2800-3000 rpm. This rating meets U.S. EPA Tier 4 Final, EU Stage IIIA emission standards. Ratings: 44.7-45.5 bkW (59.9-61.0 bhp) @ 2800-3000 rpm meet U.S. EPA Tier 4 Final, EU Stage IIIB emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

Standard Equipment


84 mm (3.3 in)
100 mm (3.9 in)
2.216 L (135 in³)
Compression Ratio
Rotation from Flywheel End
Cooling System - Capacity
6.98 L (7.4 qt)
Lube System - Refill
10.6 L (11.2 qt)
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Naturally Aspirated (NA) or Turbocharged (T)

Emission Standards

U.S. EPA Tier 4 Interim, EU Stage IIIA

Power Rating

Minimum Power
48.7 BHP
Maximum Power
61 BHP
Rated Speed
2800-3000 rpm

Power Unit Dimensions - Approximate

Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
218-228 kg (480-502 lb)
854-973 mm (33.6-38.3 in)
513-590 mm (20.2-23.2 in)
946-973 mm (37.2-38.2 in)
  • Air Inlet System
  • Control System
  • Cooling System
  • Flywheels and Flywheel Housing
  • Fuel System
  • Lube System
  • Power Take Off (PTO)
  • General
  • U.S. EPA Tier 4 Final, EU Stage IIIB Aftertreatment/Clean Emissions Control Equipment