Cat® C4.4 Diesel Engine

Cat® C4.4 Diesel Engine

The Cat® C4.4 Industrial Diesel Engine is offered in ratings ranging from 61.5-106 bkW (74.5-100 bhp) @ 2200 rpm. These ratings meet EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. 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.

  • Maximum Power 142 HP

  • Maximum Torque 411.2 lb-ft @ 1400 rpm

  • Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

  • Rated Speed 2200 rpm

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Product Specifications


Power Rating

  • Maximum Power 142HP

  • Maximum Torque 411.2lb-ft @ 1400 rpm

  • Minimum Power 91.2HP

  • Rated Speed 2200 rpm

Emission Standards

  • Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

Engine Dimensions - Approximate

  • Height 37.7in

  • Length 24.8in

  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments 794lb

  • Width 24.6in


  • Aftertreatment -

  • Aspiration Turbocharged (T) or Turbocharged Aftercooled (TA)

  • Bore 4.1in

  • Combustion System Direct Injection

  • Compression Ratio 16.9:1

  • Displacement 269in³

  • Engine Configuration Inline 4, 4-Stroke-Cycle Diesel

  • Rotation from Flywheel End Counterclockwise

  • Stroke 5in



Standard Equipment

  • Inlet manifold with choice of inlets.

  • Alternator

  • Starter motor

  • Glow plug starting aid

  • SAE No. 3 flywheel housing

  • Flywheel and starter rings

  • Fuel filter positions

  • Lubricating oil filters and breathers

  • Oil filter positions

  • Lube oil sump

  • SAE B Power Take Off (PTO)

  • 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

Optional Equipment