Cat C4.4
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.
Specifications
Power Rating
Maximum Power | 83 kW |
Maximum Torque | 418 Nm @ 1400 rpm |
Rated Speed | 2200-2400 rpm |
Minimum Power | 54 kW |
Emission Standards
Emissions | UN ECE R96 Stage IIIA |
General
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 | - |
Engine Dimensions - Approximate
Length | 663 mm |
Width | 602 mm |
Height | 775 mm |
Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 306 kg |
Benefits & Features
Reliable, quiet and durable power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Package size
Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.
World-class product support offered through global cat dealer network
- Scheduled maintenance, including SOSSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program