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SPECS SUMMARY

Maximum Power188 HP (140 kW)
Maximum Torque601 lb-ft @ 1400 rpm (815 Nm @ 1400 rpm)
EmissionsEU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
Rated Speed2000 - 2200 rpm
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.

Specifications

Maximum Power188 HP (140 kW)
Maximum Torque601 lb-ft @ 1400 rpm (815 Nm @ 1400 rpm)
EmissionsEU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
Rated Speed2000 - 2200 rpm
Minimum Power137 HP (102 kW)
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore4.1 in (105 mm)
Stroke5 in (127 mm)
Displacement268.5 in³ (4.4 l)
Compression Ratio16.0:2
AspirationTurbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel EndCounterclockwise
AftertreatmentDOC+DPF+SCR
Length60.3 in (1532 mm)
Width34.2 in (869 mm)
Height53.7 in (1364 mm)
Weight1559 lb (707 kg)

Benefits and Features

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

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

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

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.

Standard Equipment

  • Standard air cleaners
  • 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
  • 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
  • Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations
  • Electronic high pressure common rail
  • Innovative filter design to ensure maximum protection of the engine
  • Wide choice of sumps for different applications
  • 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.
  • Available with or without a balancer
  • Paint: Caterpillar yellow, with optional colors available at request
  • Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
  • No ash service requirement
  • Passive regeneration