C4.4

Maximum Power: 200 hp / 150 kW
Maximum Torque: 609 lb-ft @ 1400 rpm / 825 Nm @ 1400 rpm
Minimum Power: 109 hp / 82 kW

The Cat® C4.4 Industrial Diesel Engine is offered in ratings ranging from 82-150 bkW (109-200 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage V 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.

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C4.4 Industrial Spec Sheet

Specifications
Equipment

Power Rating
Maximum Power	200 hp / 150 kW
Maximum Torque	609 lb-ft @ 1400 rpm / 825 Nm @ 1400 rpm
Rated Speed	2200 rpm
Minimum Power	109 hp / 82 kW

Emission Standards
Emissions	U.S. EPA & CARB Tier 4 Final, EU Stage V

General
Engine Configuration	Inline 4, 4-Stroke-Cycle Diesel
Bore	4.1 in / 105 mm
Stroke	5 in / 127 mm
Displacement	268.5 in³ / 4.4 l
Compression Ratio	16.5:1
Aspiration	Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System	Direct Injection
Rotation from Flywheel End	Counterclockwise
Aftertreatment	DOC+DPF+SCR

Engine Dimensions - Approximate
Length	32.4 in / 822 mm
Width	29.6 in / 748 mm
Height	35.3 in / 897 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	1180 lb / 535 kg

Aftertreatment Dimensions
Length	26.5 in / 675 mm
Width	24.5 in / 623 mm
Height	17.8 in / 453 mm
Weight	143.3 lb / 65 kg

Standard Equipment

Air Inlet System
- Standard air cleaners
Control System
- Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
- Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines
Cooling System
- Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
- 50:50 water glycol mix
Flywheels and Flywheel Housing
- Fitted with SAE3 configuration as standard
Fuel System
- Electronic high pressure common rail
- Innovative filter design to ensure maximum protection of the engine
Lube System
- Wide choice of sumps for different applications
Power Take Off
- SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.
General
- Available with or without a balancer
- Paint: Caterpillar yellow, with optional colors available at request
U.S. EPA Tier 4 Final, EU Stage V Aftertreatment/ Clean Emissions Control Equipment
- Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
- Selective Catalytic Reduction (SCR)
- 3" flex pipe connection with straight, 45°, and 90° options for flexibility

C4.4

Standard Equipment

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