Cat® C3.4B Industrial Power Unit
The Cat® C3.4B Industrial Power Unit is offered at 55.4 bkW (74.3 bhp) @ 2200 rpm, which meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad 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.
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SPECIFICATION SUMMARY
- Minimum Power 74 bhp
- Maximum Power 74 bhp
- Emissions Meets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards
- Rated Speed 2200
Power Rating
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Minimum Power74 bhp
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Maximum Power74 bhp
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Rated Speed2200
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Minimum Power74 HP
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Maximum Power74 HP
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Rated Speed2200
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Maximum Torque234.5 lb-ft @ 1600 rpm
Emission Standards
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EmissionsMeets U.S. EPA Tier 4 Final, EU Stage IIIB nonroad standards
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EmissionsU.S. EPA Tier 4 Final
General
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Engine ConfigurationIn-Line 4, 4-Stroke-Cycle Diesel
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Bore99 mm (3.9 in)
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Stroke110 mm (4.3 in)
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Displacement3.4 L (207.5 in³)
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AspirationTurbocharged
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Compression Ratio17:1
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Rotation (from flywheel end)Counterclockwise
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Engine ConfigurationIn-Line 4, 4-Stroke-Cycle Diesel
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Bore99 mm (3.9 in)
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Stroke110 mm (4.3 in)
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Displacement3.4 L (207.5 in³)
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AspirationTurbocharged
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Compression Ratio17.0:1
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Rotation from Flywheel EndCounterclockwise
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Bore3.9 in
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Stroke4.3 in
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Displacement207.5 in³
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
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Diameter149 mm (5.8 in)
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Weight509 mm (20 in)
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Length509 mm (20 in)
Power Unit Dimensions - Approximate
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Length1242 mm (48.9 in)
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Width705 mm (27.7 in)
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Height957 mm (37.6 in)
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Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C359 kg (791.5 lb)
Aftertreatment Dimensions - Approximate
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Diameter149 mm (5.8 in)
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Weight509 mm (20 in)
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Length509 mm (20 in)
Power Unit Dimensions
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Weight792 lb
Aftertreatment Dimensions
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Length20 in
Aftertreatment Dimensions*
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Diameter5.8 in
Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
High Performance
Leading-edge technology provides significant improvements in power, torque, fuel consumption and response. Technology includes single smart wastegated turbo systems, durable high pressure common rail technology, and closed circuit breathing system.
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
Fuel & Oil
Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.
Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOS℠ sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
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