
Industrial
Cat® C3.4B Industrial Power Unit
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Minimum Power74 bhp
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Maximum Power74 HP
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Maximum Power74 bhp
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Maximum Torque234.5 lb-ft @ 1600 rpm
Power Rating
- Minimum Power
- 74 bhp
- Maximum Power
- 74 HP
- Maximum Power
- 74 bhp
- Maximum Torque
- 234.5 lb-ft @ 1600 rpm
- Rated Speed
- 2200
- Minimum Power
- 74 HP
- Rated Speed
- 2200
Emission Standards
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards
- 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
- Aspiration
- Turbocharged
- Compression Ratio
- 17:1
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- DOC+SCR
- Rotation
- Counterclockwise
Power Unit Dimensions
- Length
- 48.9 in
- Width
- 27.7 in
- Height
- 37.6 in
- Weight
- 792 lb
Aftertreatment Dimensions
- Length
- 20 in
- Diameter
- 5.8 in
Power Unit Dimensions - Approximate
- Length
- 1242 mm (48.9 in)
- Width
- 705 mm (27.7 in)
- Height
- 957 mm (37.6 in)
- Weight
- 359 kg (791.5 lb)
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
- Diameter
- 149 mm (5.8 in)
- Weight
- 509 mm (20 in)
- Length
- 509 mm (20 in)
Aftertreatment Dimensions - Approximate
- Diameter
- 149 mm (5.8 in)
- Weight
- 509 mm (20 in)
- Length
- 509 mm (20 in)
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Air Inlet System
- Standard air cleaners
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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
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Flywheels and Flywheel Housing
- SAE3 configuration
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Fuel System
- Engine-mounted fuel filters
- Electronic high pressure common rail fuel pump and injectors
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Lube System
- Lubricating oil filters and breathers
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General
- Cold start capability to -20° C (-4° F)
- Paint: Caterpillar yellow, with optional colors available at request
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U.S. EPA Tier 4 Final, EU Stage IIIB Aftertreatment/Clean Emissions Control Equipment
- Through Flow Diesel Particulate Filter (DPF)
- Diesel Oxidation Catalyst (DOC)
- Flex pipe connection kit with straight and 90° options for flexibility