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Industrial:

Cat® C4.4 ACERT™ Industrial Power Unit

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C4.4 Tier 4 Industrial Power Units - Highly Regulated
Minimum Power
100.0 bhp
Maximum Power
173.5 bhp
Emissions
U.S. EPA Tier 4 Final, EU Stage IV
Rated Speed
2200 rpm

The Cat® C4.4 Industrial Power Unit is offered in ratings ranging from 74.5-129.4 bkW (100-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Tier 4 Interim Equivalent and Stage IIIB Equivalent ratings are also available using Flex options. 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.

Product Specs

  • Power Rating

    • Minimum Power
    100.0bhp
    Maximum Power
    173.5bhp
    Rated Speed
    2200 rpm
    Minimum Power
    100HP
    Maximum Power
    173.5HP
    Rated Speed
    2200 rpm
    Maximum Torque
    553.2lb-ft @ 1400 rpm

  • Emission Standards

    • Emissions
    U.S. EPA Tier 4 Final, EU Stage IV
    Emissions
    U.S. EPA Tier 4 Final

  • General

    • Engine Configuration
    Inline 4, 4-Stroke-Cycle Diesel
    Bore
    105 mm (4.1 in)
    Stroke
    127 mm (5.0 in)
    Displacement
    4.4 L (268.5 in³)
    Aspiration
    Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
    Compression Ratio
    16:2
    Rotation (from flywheel end)
    Counterclockwise
    Cooling System Capacity
    9-9.4 L (8.2-8.5 qt)
    Lube System (refill)
    5.2-13.5 L (5.5-14.27 qt)
    Engine Configuration
    Inline 4, 4-Stroke-Cycle Diesel
    Bore
    105 mm (4.1 in)
    Stroke
    127 mm (5.0 in)
    Displacement
    4.4 L (268.5 in³)
    Aspiration
    Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
    Compression Ratio
    16.0:2
    Rotation from Flywheel End
    Counterclockwise
    Cooling System - Capacity
    9-9.4 L (8.2-8.5 qt)
    Lube System - Refill
    5.2-13.5 L (5.5-14.27 qt)
    Bore
    4.1in
    Stroke
    5in
    Displacement
    268.5in³

  • Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

    • Diameter
    244.9-270.3 mm (9.6-10.6 in)
    Weight
    34-80 kg (75-176.4 lb)

  • Aftertreatment Dimensions - Approximate

    • Diameter
    244.9-270.3 mm (9.6-10.6 in)
    Weight
    34-80 kg (75-176.4 lb)
    Width
    365-695 mm (14.3-27.4 in)
    Height
    279-430 mm (11-16.9 in)

  • Aftertreatment Dimensions

    • Height
    16.9in
    Diameter
    10.6in
    Weight
    176lb

  • Power Unit Dimensions - Approximate

    • Length
    1433 mm (56.4 in)
    Width
    795-820 mm (31.3-32.3 in)
    Height
    1126-1150 mm (44.3-45.3 in)
    Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
    670-700 kg (1477-1543 lb)

Equipment

  • Air Inlet System
    • Standard air cleaners
  • Control System
    • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
    • Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines
  • Cooling System
    • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
    • 50:50 water glycol mix
    • Guidance on cooling system design available through your dealer to ensure equipment reliability
  • Flywheels And Flywheel Housing
    • Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations
  • Fuel System
    • Electronic high pressure common rail
    • ACERT™ Technology
    • Innovative filter design to ensure maximum protection of the engine
  • Lube System
    • Wide choice of sumps for different applications
  • Power Take Off
    • SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.
  • General
    • Available with or without a balancer
    • 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)
    • Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
  • U.s. Epa Tier 4 Interim, Eu Stage Iiib Aftertreatment / Clean Emissions Control Equipment
    • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
    • No ash service requirement
    • Passive regeneration

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