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.

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Minimum Power
74 bhp
Maximum Power
74 bhp
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards
Rated Speed
2200

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Product Specs

Power Rating

Minimum Power
74bhp
Maximum Power
74bhp
Rated Speed
2200
Minimum Power
74BHP
Maximum Power
74BHP
Rated Speed
2200

Emission Standards

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

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

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

Power Unit Dimensions - Approximate

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

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

Standard/Optional Features

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: