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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.
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, an…
Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.
Scheduled maintenance, including SOSSM sample Customer Support Agreements (CSA) Caterpillar Extended Service Cover…
Specification | Value |
Maximum Power | 83 kW |
Maximum Torque | 418 Nm @ 1400 rpm |
Rated Speed | 2200-2400 rpm |
Minimum Power | 54 kW |
Specification | Value |
Emissions | UN ECE R96 Stage IIIA |
Specification | Value |
Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel |
Bore | 105 mm |
Stroke | 127 mm |
Displacement | 4.4 l |
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 | - |
Specification | Value |
Length | 663 mm |
Width | 602 mm |
Height | 775 mm |
Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 306 kg |
Learn more information about the Cat Cat?� C4.4 Diesel Engine.
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