C4.4

Maximum Power
142 HP / 106 kW
Maximum Torque
411.2 lb-ft @ 1400 rpm / 558 Nm @ 1400 rpm
Minimum Power
91.2 HP / 68 kW

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. C4.4 engines, with ratings: 74.5-106 kW (100-142 hp) @ 2200 rpm, meet EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Power Rating
Maximum Power 142 HP / 106 kW
Maximum Torque 411.2 lb-ft @ 1400 rpm / 558 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 91.2 HP / 68 kW
Emission Standards
Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1 in / 105 mm
Stroke 5 in / 127 mm
Displacement 269 in³ / 4.4 l
Compression Ratio 16.9:1
Aspiration Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 24.8 in / 631 mm
Width 24.6 in / 626 mm
Height 37.7 in / 958 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 794 lb / 360 kg

Standard Equipment

  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator
    • Starter motor
    • Glow plug starting aid
  • Flywheels and Flywheel Housing
    • SAE No. 3 flywheel housing
    • Flywheel and starter rings
  • Fuel System
    • Fuel filter positions
  • Lube System
    • Lubricating oil filters and breathers
    • Oil filter positions
    • Lube oil sump
  • Power Take Off
    • SAE B Power Take Off (PTO)
  • General
    • Paint: Caterpillar yellow, with optional colors available at request
    • Timing case and gear-driven auxiliaries
    • Belt-driven auxiliaries
    • Engine mountings
    • Gauges
    • Displays
    • Power and torque curve tailoring
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