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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

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

Emissions

Meets U.S. EPA Tier 4 Final, EU Stage IV emission standards.

Low Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Capable of optimal oil change intervals of 500 hours. Service-free through-flow diesel particulate filter (DPF) for Tier 4 Final, Stage IIIB. The S·O·S℠ program is available from your Cat dealer to determine oil change intervals and provide optimal performance.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

Tier 4 Final, Stage IV Aftertreatment Features

Technology and Power. The DOC/SCR technology provides customers with a compact aftertreatment solution. The DOC/SCR is invisible to the operator while equipment is being used.


Mounting. On engine mounted DOC/Mixer. Flexibility of remote mounting of SCR can in various orientations.Service. Aftertreatment is designed to be service free for the emissions life of the engine.

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