Industrial Oem

  • Specs Summary
  • Minimum Power
    74 bhp (55.4 bkW)
  • Maximum Power
    74 bhp (55.4 bkW)
  • Emissions
    Meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards
  • Frequency
    2200

Cat® C3.4B Industrial Power Unit

The Cat® C3.4B Industrial Power Unit is offered at 55.4 bkW (74.3 bhp) @ 2200 rpm, which meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad 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 74 bhp (55.4 bkW)
  • Maximum Power 74 bhp (55.4 bkW)
  • Frequency 2200

Emission Standards

  • Emissions Meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards

General

  • Engine Configuration In-Line 4, 4-Stroke-Cycle Diesel
  • Bore 99 mm (3.9 in)
  • Stroke 110 mm (4.3 in)
  • Displacement 3.4 L (207.5 in³)
  • Aspiration Turbocharged
  • Compression Ratio 17:1
  • Rotation (from flywheel end) Counterclockwise

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

  • Length 1242 mm (48.9 in)
  • Width 705 mm (27.7 in)
  • Height 957 mm (37.6 in)
  • Weight - Approximate, Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 359 kg (791.5 lb)

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

  • Diameter 149 mm (5.8 in)
  • Weight 509 mm (20 in)

PETU Dimensions (Tier 4 Final, Stage IV Only)

Standard Equipment

Air Inlet System

  • Standard air cleaners

Control System

  • Full electronic control system
  • Fully integrated, engine-mounted electronic control unit
  • Waterproof connectors and wiring looms
  • Flexible and configurable software features and J1939 standard communications I/O

Flywheels and Flywheel Housing

  • SAE3 configuration

Fuel System

  • Engine-mounted fuel filters
  • Electronic high pressure common rail fuel pump and injectors

Lube System

  • Lubricating oil filters and breathers

General

  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request

U.S. EPA Tier 4 Final, EU Stage IIIB Aftertreatment/Clean Emissions Control Equipment

  • Through Flow Diesel Particulate Filter (DPF)
  • Diesel Oxidation Catalyst (DOC)
  • Flex pipe connection kit with straight and 90° options for flexibility

Optional Equipment