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|
|Aspiration||Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA) Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)||More Less|
|Displacement||4.4 L (269 in³) 4.4 L (269 in³)||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|
|Length||663 mm (26.1 in) 663 mm (26.1 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|
|Width||470-620 mm (18.5-24.4 in) 470-620 mm (18.5-24.4 in)||More Less|
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.