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Cat® C4.4 Diesel Engine

C4.4 Tier 4  Diesel Engines - Highly Regulated

Cat® C4.4 Diesel Engine

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Product Specs

Power Rating

Minimum Power
93.9HP
Maximum Power
173.5HP
Rated Speed
2200 rpm
Maximum Torque
553lb-ft @ 1400 rpm

Emission Standards

Emissions
U.S. EPA & CARB Tier 4 Final

General

Aspiration
Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Compression Ratio
16.5:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Engine Configuration
Inline 4
Bore
4.1in
Stroke
5in
Displacement
268.5in³
Aftertreatment
DOC+SCR or DOC+DPF+SCR

Engine Dimensions - Approximate

Length
33.3in
Width
29.1in
Height
34.1in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
926lb

Aftertreatment Dimensions

Length
26.5in
Width
18.8in
Height
15.3in
Diameter
10.6in
Weight
99lb

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
  • 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 Interim Equivalent, Eu Stage Iiib Equivalent 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
  • U.s. Epa Tier 4 Final, Eu Stage Iv Aftertreatment/ Clean Emissions Control Equipment
    • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
    • Selective Catalytic Reduction (SCR)
    • 3" flex pipe connection with straight, 45°, and 90° options for flexibility

Optional Equipment

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