Industrial Oem

  • Specs Summary
  • Minimum Power
    19.3 bhp (14.4 bkW)
  • Maximum Power
    26.4 bhp (19.7 bkW)
  • Emissions
    14.4-18.4 bkW (19-24.7 bhp) meet U.S. EPA Tier 4 Final. Other ratings available for Europe and other regions.
  • Frequency
    3000 rpm

Cat® C1.1 Industrial Power Unit

The Cat® C1.1 Industrial Power Unit is offered in ratings ranging from 14.4-18.4 bkW/19.3-24.7 bhp @ 2200-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 17.3-18.1 bkW (23.2-24.3 bhp) @ 2800-3000 rpm are available for Europe and, depending on applicable emission standards, may be introduced in other regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU 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.

Power Rating

  • Minimum Power 19.3 bhp (14.4 bkW)
  • Maximum Power 26.4 bhp (19.7 bkW)
  • Frequency 3000 rpm

Emission Standards

  • Emissions 14.4-18.4 bkW (19-24.7 bhp) meet U.S. EPA Tier 4 Final. Other ratings available for Europe and other regions.

General

  • Engine Configuration Inline 3, 4-Stroke-Cycle Diesel
  • Bore 77 mm (3.03 in)
  • Stroke 81 mm (3.19 in)
  • Displacement 1.131 L (69 in³)
  • Aspiration Naturally Aspirated (NA)
  • Compression Ratio 23:1
  • Rotation (from flywheel end) Counterclockwise
  • Cooling System Capacity 5.21 L (5.5 qt)
  • Lube System (refill) 4.9 L (5.2 qt)

Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)

  • Length 778 mm (30.6 in)
  • Width 438 mm (17.2 in)
  • Height 730 mm (28.7 in)
  • Weight - Approximate, Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 129 kg (284 lb)

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

PETU Dimensions (Tier 4 Final, Stage IV Only)

Standard Equipment

Air Inlet System

  • Inlet manifold

Control System

  • Alternator 12 volt 65 amp
  • Starter motor 12 volt
  • Glow plug starting aid

Cooling System

  • Belt-driven coolant pump
  • Coolant temperature switch
  • Mounted radiator and fan

Flywheel and Flywheel Housing

  • SAE No. 6 1/2 flywheel
  • SAE No. 5 flywheel housing
  • U.S. EPA Tier 4 Final: Standard backplate flywheel housing and flatface flywheel

Fuel System

  • Fuel injection pump
  • Fuel filter

Lube System

  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Lube oil sump

Power Take Off (PTO)

  • Provision for timing case rear facing PTO

General

  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request

Optional Equipment