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Caterpillar
Cat C4.4 Diesel Engine
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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Specifications
Power Rating
| Spec | Value |
|---|---|
| Maximum Power | 200 hp 150 kW |
| Maximum Torque | 609 lb-ft @ 1400 rpm 825 Nm @ 1400 rpm |
| Rated Speed | 2200 rpm 2200 rpm |
| Minimum Power | 109 hp 82 kW |
Emission Standards
| Spec | Value |
|---|---|
| Emissions | U.S. EPA & CARB Tier 4 Final, EU Stage V U.S. EPA & CARB Tier 4 Final, EU Stage V |
General
| Spec | Value |
|---|---|
| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel 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 16.5:1 |
| Aspiration | Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) |
| Combustion System | Direct Injection Direct Injection |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | DOC+DPF+SCR DOC+DPF+SCR |
Engine Dimensions - Approximate
| Spec | Value |
|---|---|
| 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
| Spec | Value |
|---|---|
| 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