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Home New Industrial Cat® C4.4 Industrial Power Unit

Cat® C4.4 Industrial Power Unit

The C4.4 IPU engine is a common rail direct injection engine with either a single turbo or twin turbo chargecooled air system. It meets U.S. EPA Tier 4 Final, EU Stage V and Japan 2014 (Tier 4 Final) emission standards. For ease of installation, the IPU provides full aftertreatment mounting, an integrated cooling system and inlet air filter mounted to the IPU.

Power Rating

Maximum Power 188HP
Maximum Torque 601lb-ft @ 1400 rpm
Rated Speed 2000 - 2200 rpm
Minimum Power 137HP

Emission Standards

Emissions EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1in
Stroke 5in
Displacement 268.5in³
Compression Ratio 16.0:2
Aspiration Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR

Power Unit Dimensions

Length 60.3in
Width 34.2in
Height 53.7in
Weight 1559lb

Standard 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
    • 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 V Aftertreatment, Japan 2014 (tier 4 Final) / Clean Emissions Control Equipment
    • Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
    • No ash service requirement
    • Passive regeneration

Optional Equipment