C4.4

Caterpillar

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.

Gallery

Specifications

Specification	Value	Unit
Maximum Power	111.3	hp
Maximum Torque	308	lb-ft @ 1400 rpm
Rated Speed
Minimum Power	72.4	hp
Emissions
Engine Configuration
Bore	4.1	in
Stroke	5	in
Displacement	269	in³
Compression Ratio
Aspiration
Combustion System
Rotation from Flywheel End
Aftertreatment
Length	26.1	in
Width	23.7	in
Height	30.5	in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	674.6	lb

Standard Equipment

Air Inlet System
Control System
Cooling System
Flywheels and Flywheel Housing
Fuel System
Lube System
Power Take Off
General