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

PRICE (USD)
Call 440-838-7348 for rate information

Power Rating

  • Minimum Power
    74 bhp
  • Maximum Power
    74 bhp
  • Rated Speed
    2200
  • Minimum Power
    74 HP
  • Maximum Power
    74 HP
  • Rated Speed
    2200
  • Maximum Torque
    234.5 lb-ft @ 1600 rpm

Emission Standards

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

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
    17.0:1
  • Rotation from Flywheel End
    Counterclockwise
  • Bore
    3.9 in
  • Stroke
    4.3 in
  • Displacement
    207.5 in³

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)

Power Unit Dimensions

  • Weight
    792 lb

Aftertreatment Dimensions

  • Length
    20 in

Aftertreatment Dimensions*

  • Diameter
    5.8 in

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

Leading-edge technology provides significant improvements in power, torque, fuel consumption and response. Technology includes single smart wastegated turbo systems, durable high pressure common rail technology, and closed circuit breathing system.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOS℠ 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:

  • 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:

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