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Cat® C3.4B Industrial Power Unit

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Overview

The Cat® C3.4B Industrial Power Unit is offered at 75-86 bkW (100-115 bhp), which meets U.S. EPA Tier 4 Final, EU Stage IV 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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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 informatio...

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

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

Fuel Efficiency

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

Fuel & 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

Power Rating

Minimum Power: 100bhp
Maximum Power: 115bhp
Rated Speed: 2200
Minimum Power: 100hp
Maximum Power: 115hp
Rated Speed: 2200
Maximum Torque: 310lb-ft @ 1400 rpm

Emission Standards

Emissions: U.S. EPA Tier 4 Final, EU Stage IV nonroad emission standards. U.S. EPA Tier 4 Interim Equivalent or EU Stage IIIB Equivalent ratings also available using EPA or EU Flex Provisions.
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 Aftercooled (TA)
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 Aftercooled (TA)
Compression Ratio: 17.0:1
Rotation from Flywheel End: Counterclockwise
Bore: 3.9in
Stroke: 4.3in
Displacement: 207.5in³
Aftertreatment: DOC+SCR

Power Unit Dimensions - Approximate

Length: 1252 mm (49.3 in)
Width: 705 mm (27.7 in)
Height: 1033 mm (40.7 in)
Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C: 407 kg (897 lb)

Aftertreatment Dimensions - Approximate

DOC Length: 320 mm (12.6 in)
DOC Weight: 15 kg (33 lb)
DOC Diameter: 196 mm (7.7 in)
SRC Length: 520 mm (20.47 in)
SCR Weight: 20 kg (44 lb)
SCR Diameter: 251 mm (9.88 in)

Power Unit Dimensions

Length: 40.7in
Width: 27.7in
Height: 49.3in
Weight: 897lb

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 Iv Aftertreatment/clean Emissions Control Equipment
- Diesel Oxidation Catalyst (DOC)
- Selective Catalytic Reduction (SCR)
- SCR Auxiliaries are available in a range of tanks and heated lines

Optional Equipment:

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