C3.4B, Greater than 56 kW (75 hp)

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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.

Power Rating

Units:
Minimum Power 100.0 BHP 74.5 bkW Less
Maximum Power 115.0 BHP 86.0 bkW Less
Rated Speed 2200 2200 Less

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. 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. Less

General

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

Power Unit Dimensions - Approximate

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

Aftertreatment Dimensions - Approximate

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

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

C3.4B, Greater than 56 kW (75 hp) 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