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Cat® C4.4 Diesel Engine

The Cat® C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards. Turbocharged (T) and Turbocharged Aftercooled (TA) Ratings are also available, ranging from 55.5-83 bkW (74.4-111.3 bhp) @ 2200-2400 rpm. These ratings meet U.S. 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.

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Product Specs

Power Rating

Maximum Power 111.3 HP
Maximum Torque 308 lb-ft @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 72.4 HP

Emission Standards

Emissions UN ECE R96 Stage IIIA

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1 in
Stroke 5 in
Displacement 269 in³
Compression Ratio 18.2:1
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -

Engine Dimensions - Approximate

Length 26.1 in
Width 23.7 in
Height 30.5 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 674.6 lb