Cat® C3.4B Industrial Power Unit
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Power Rating
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- Minimum Power
- 74bhp
- Maximum Power
- 74bhp
- Rated Speed
- 2200
- Maximum Torque
- 234.5lb-ft @ 1600 rpm
- Minimum Power
- 74HP
- Maximum Power
- 74HP
- Rated Speed
- 2200
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Emission Standards
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- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards
- Emissions
- U.S. EPA Tier 4 Final
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General
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- Engine Configuration
- In-Line 4, 4-Stroke-Cycle Diesel
- Bore
- 99 mm (3.9 in)
- Stroke
- 110 mm (4.3 in)
- Displacement
- 3.4 L (207.5 in³)
- Aspiration
- Turbocharged
- Compression Ratio
- 17:1
- Rotation (from flywheel end)
- Counterclockwise
- Bore
- 3.9in
- Stroke
- 4.3in
- Displacement
- 207.5in³
- Engine Configuration
- In-Line 4, 4-Stroke-Cycle Diesel
- Bore
- 99 mm (3.9 in)
- Stroke
- 110 mm (4.3 in)
- Displacement
- 3.4 L (207.5 in³)
- Aspiration
- Turbocharged
- Compression Ratio
- 17.0:1
- Rotation from Flywheel End
- Counterclockwise
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Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
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- Diameter
- 149 mm (5.8 in)
- Weight
- 509 mm (20 in)
- Length
- 509 mm (20 in)
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Power Unit Dimensions
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- Weight
- 792lb
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Aftertreatment Dimensions
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- Length
- 20in
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Aftertreatment Dimensions*
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- Diameter
- 5.8in
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Power Unit Dimensions - Approximate
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- Length
- 1242 mm (48.9 in)
- Width
- 705 mm (27.7 in)
- Height
- 957 mm (37.6 in)
- Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
- 359 kg (791.5 lb)
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Aftertreatment Dimensions - Approximate
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- Diameter
- 149 mm (5.8 in)
- Weight
- 509 mm (20 in)
- Length
- 509 mm (20 in)
Standard Equipment:
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- Air Inlet System
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- Standard air cleaners
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- Control System
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- 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
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- SAE3 configuration
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- Fuel System
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- Engine-mounted fuel filters
- Electronic high pressure common rail fuel pump and injectors
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- Lube System
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- Lubricating oil filters and breathers
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- General
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- 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
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- Through Flow Diesel Particulate Filter (DPF)
- Diesel Oxidation Catalyst (DOC)
- Flex pipe connection kit with straight and 90° options for flexibility
