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.

Specifications
Equipment
Units: US Metric
Power Rating
Maximum Power
111.3 HP
83 kW
Maximum Torque
308 lb-ft @ 1400 rpm
418 Nm @ 1400 rpm
Rated Speed
2200-2400 rpm
Minimum Power
72.4 HP
54 kW
Emission Standards
Emissions
UN ECE R96 Stage IIIA
General
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in
105 mm
Stroke
5 in
127 mm
Displacement
269 in³
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
26.1 in
663 mm
Width
23.7 in
602 mm
Height
30.5 in
775 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
674.6 lb
306 kg
Standard Equipment
Air Inlet System
Control System
Cooling System
Flywheels and Flywheel Housing
Fuel System
Lube System
Power Take Off
General