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.
Features
-
Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
-
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
-
Fuel & Oil
Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.
-
Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
-
Package Size
Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.
-
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOSSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
Specifications
Units for 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 |
|---|
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 | - |
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 |
Standard Equipment
Air Inlet System
- Inlet manifold with choice of inlets.
Control System
- Alternator
- Starter motor
- Glow plug starting aid
Flywheels and Flywheel Housing
- SAE No. 3 flywheel housing
- Flywheel and starter rings
Fuel System
- Fuel filter positions
Lube System
- Lubricating oil filters and breathers
- Oil filter positions
- Lube oil sump
Power Take Off
- SAE B Power Take Off (PTO)
General
- Paint: Caterpillar yellow, with optional colors available at request
- Timing case and gear-driven auxiliaries
- Belt-driven auxiliaries
- Engine mountings
- Gauges
- Displays
- Power and torque curve tailoring