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Industrial:

Cat® C4.4 Diesel Engine

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C4.4 Tier 4 Diesel Engines - Highly Regulated
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Cooling System Capacity
10.8 L (11.4 qt)
Lube System (refill)
5.2-13.5 L (5.5-14.27 qt)
Length
845.1 mm (33.3 in)

Cat® C4.4 Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of common rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment. They have proven they can handle the toughest applications and deliver superior performance that exceeds the expectations of the most demanding users. Industries and applications powered by C4.4 engines include: Agriculture, Aerial Lifts, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Harvesters, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers, Turf and Landscaping and Underground Mining Equipment.

Product Specs

  • General

    • Engine Configuration
    Inline 4, 4-Stroke-Cycle Diesel
    Cooling System Capacity
    10.8 L (11.4 qt)
    Lube System (refill)
    5.2-13.5 L (5.5-14.27 qt)
    Engine Configuration
    Inline 4
    Bore
    105 mm (4.13 in)
    Stroke
    127 mm (5.00 in)
    Displacement
    4.4 L (268.5 in³)
    Cooling System - Capacity
    10.8 L (11.4 qt)
    Lube System - Refill
    5.2-13.5 L (5.5-14.27 qt)
    Bore
    4.1in
    Stroke
    5in
    Displacement
    268.5in³
    Aspiration
    Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
    Compression Ratio
    16.5:1
    Combustion System
    Direct Injection
    Rotation from Flywheel End
    Counterclockwise

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

    • Length
    845.1 mm (33.3 in)
    Width
    741.6-772.4 mm (29.1-30.4 in)
    Height
    848.2-867.6 mm (33.4-34.1 in)
    Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
    400-420 kg (881.8-926 lb)

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

    • Length
    647-828 mm (25.5-32.6 in)
    Width
    365-695 mm (14.3-27.4 in)
    Height
    279-430 mm (11-16.9 in)
    Weight
    34-80 kg (75-17;6.4 lb)
    Diameter
    224.9-270.3 mm (9.6-10.6 in)

  • Power Rating

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

  • Aftertreatment Dimensions

    • Height
    15.3in
    Length
    26.5in
    Diameter
    10.6in
    Weight
    99lb

  • Engine Dimensions - Approximate

    • Length
    33.3in
    Width
    29.1in
    Height
    34.1in
    Height
    848.2-867.6 mm (33.4-34.1 in)
    Length
    845.1 mm (33.3 in)
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    400-420 kg (881.8-926 lb)
    Width
    741.6-772.4 mm (29.1-30.4 in)

  • Aftertreatment Dimensions - Approximate

    • Diameter
    224.9-270.3 mm (9.6-10.6 in)
    Height
    279-430 mm (11-16.9 in)
    Length
    647-828 mm (25.5-32.6 in)
    Weight
    34-80 kg (75-17;6.4 lb)
    Width
    365-695 mm (14.3-27.4 in)

  • Emission Standards

    • Emissions
    U.S. EPA & CARB Tier 4 Final

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

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