Industrial Diesel Power Units - Highly Regulated

Cat® C3.4B Industrial Power Unit

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US
Metric

Overview

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
74.00 bhp
55.40 bkW
Maximum Power
74.00 bhp
55.40 bkW
Rated Speed
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

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)
Length
509 mm (20 in)
Weight
509 mm (20 in)

Power Rating

Minimum Power
74.00 HP
55.40 kW
Maximum Power
74.00 HP
55.40 kW
Rated Speed
2200

Emission 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
17.0:1
Rotation from Flywheel End
Counterclockwise

Aftertreatment Dimensions - Approximate

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

Power Rating

Maximum Torque
234.50 lb-ft @ 1600 rpm
318.00 Nm @ 1600 rpm

General

Bore
3.90 in
99.00 mm
Stroke
4.30 in
110.00 mm
Displacement
207.50 in³
3.40 l

Power Unit Dimensions

Width
27.70 in
705.00 mm
Weight
792.00 lb
359.00 kg

Aftertreatment Dimensions

Length
20.00 in
509.00 mm

Aftertreatment Dimensions*

Diameter
5.80 in
149.00 mm

Power Unit Dimensions

Height
37.60 in
957.00 mm
Length
48.90 in
1242.00 mm

General

Aftertreatment
DOC+SCR
Features

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