News & Events
View the latest company and product news, events and customer stories.Learn More
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.
|Emissions||EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA) EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)||More Less|
|Engine Configuration||Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel||More Less|
|Bore||105 mm (4.13 in) 105 mm (4.13 in)||More Less|
|Stroke||127 mm (5.0 in) 127 mm (5.0 in)||More Less|
|Displacement||4.4 L (269 in³) 4.4 L (269 in³)||More Less|
|Aspiration||Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA) Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)||More Less|
|Compression Ratio||16.2:1 16.2:1||More Less|
|Combustion System||Direct Injection Direct Injection||More Less|
|Rotation (from flywheel end)||Counterclockwise Counterclockwise||More Less|
|Lube System (refill)||11 L (11.6 qt) 11 L (11.6 qt)||More Less|
|Length||663 mm (26.1 in) 663 mm (26.1 in)||More Less|
|Width||470-620 mm (18.5-24.4 in) 470-620 mm (18.5-24.4 in)||More Less|
|Height||775-810 mm (30.5-31.9 in) 775-810 mm (30.5-31.9 in)||More Less|
|Weight, Net Dry (Basic Operating Engine Without Optional Attachments)||291-306 kg (640-674.6 lb) 291-306 kg (640-674.6 lb)||More Less|
Naturally Aspirated rating meets EU Stage IIIA equivalent emission standards. Turbocharged rating meets EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards.
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
View the latest offers available on a range of Cat® equipment and genuine parts.Learn More
With branches across the UK & Ireland, you can be sure that we’re never far away.Learn More
Effectively manage your equipment to reduce operating costs and improve efficiency.Learn More
Integrated technology can help you understand your equipment's output and help extend its lifespan.Learn More