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Industrial

Cat® C3.4B Industrial Power Unit

  • Minimum Power
    100 bhp
  • Maximum Power
    115 HP
  • Maximum Power
    115 bhp
  • Maximum Torque
    310 lb-ft @ 1400 rpm
Power Rating
Minimum Power
100 bhp
Maximum Power
115 HP
Maximum Power
115 bhp
Maximum Torque
310 lb-ft @ 1400 rpm
Rated Speed
2200
Minimum Power
100 HP
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
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)
Bore
3.9 in
Stroke
4.3 in
Stroke
110 mm (4.3 in)
Stroke
110 mm (4.3 in)
Displacement
207.5 in³
Compression Ratio
17.0:1
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
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+SCR
Rotation
Counterclockwise
Power Unit Dimensions
Length
40.7 in
Width
27.7 in
Height
49.3 in
Weight
897 lb
Power Unit Dimensions - Approximate
Length
1252 mm (49.3 in)
Width
705 mm (27.7 in)
Height
1033 mm (40.7 in)
Weight
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