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Cat® C4.4 Diesel Engine

The Cat® C4.4 Industrial Diesel Engine is offered in ratings ranging from 61.5-106 bkW (74.5-100 bhp) @ 2200 rpm. These ratings meet 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.

Cat® C4.4 Diesel Engine - Specifications

Power Rating
Maximum Power
142 HP
106 kW
Maximum Torque
411.2 lb-ft @ 1400 rpm
558 Nm @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
91.2 HP
68 kW
Emission Standards
Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
Engine Dimensions - Approximate
Length
24.8 in
631 mm
Width
24.6 in
626 mm
Height
37.7 in
958 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
794 lb
360 kg
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
16.9:1
Aspiration
Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-