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Cat® C3.4B Industrial Power Unit Specifications
Minimum Power 100 bhp
Minimum Power 100 BHP
Maximum Power 115 bhp
Maximum Power 115 BHP

Power Rating

Minimum Power
100 bhp
Minimum Power
100 BHP
Maximum Power
115 bhp
Maximum Power
115 BHP
Rated Speed
2200
Rated Speed
2200

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, 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.

General

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

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