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C4.4

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.
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      Benefits & Features

      Reliable, Quiet and Durable Power

      Global manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

      Exhaust System

      Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) system supplied installed on engine. Zero downtime due to regeneration.

      World-class Product Support Offered Through Global Cat Dealer Network

      Superior dealer service network, Customer Support Agreements (CSA) and Cat® Extended Service Coverage (ESC).

      Low-Cost Maintenance

      Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, service free DPF and 500-hour oil change intervals enable low-cost maintenance.

      specifications

      Power Rating
      Maximum Power 140 kW
      Maximum Torque 815 Nm @ 1400 rpm
      Rated Speed 2000 - 2200 rpm
      Minimum Power 102 kW
      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 105 mm
      Stroke 127 mm
      Displacement 4.4 l
      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 1532 mm
      Width 869 mm
      Height 1364 mm
      Weight 707 kg

      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

      Download resources

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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