C4.4

Cat® C4.4 Diesel Engine

Cat® C4.4 Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of Common Rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment. They have proven they can handle the toughest applications and deliver superior performance that exceeds the expectations of the most demanding users. 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. C4.4 engines, with ratings: 74.5-106 kW (100-142 hp) @ 2200 rpm, meet EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

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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

Virtual Tours

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

Additional information

Offering Type

Power Rating - Maximum Power

106 kW ( 142 HP )
Power Rating - Maximum Torque

558 Nm @ 1400 rpm ( 411.2 lb-ft @ 1400 rpm )
Power Rating - Rated Speed

2200 rpm
Power Rating - Minimum Power

68 kW ( 91.2 HP )
Emission Standards - Emissions

China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General - Engine Configuration

Inline 4, 4-Stroke-Cycle Diesel
General - Bore

105 mm ( 4.1 in )
General - Stroke

127 mm ( 5 in )
General - Displacement

4.4 l ( 269 in³ )
General - Compression Ratio

16.9:1
General - Aspiration

Turbocharged (T) or Turbocharged Aftercooled (TA)
General - Combustion System

Direct Injection
General - Rotation from Flywheel End

Counterclockwise
General - Aftertreatment

–
Engine Dimensions - Approximate - Length

631 mm ( 24.8 in )
Engine Dimensions - Approximate - Width

626 mm ( 24.6 in )
Engine Dimensions - Approximate - Height

958 mm ( 37.7 in )
Engine Dimensions - Approximate - Weight - Net Dry - Basic Operating Engine Without Optional Attachments

360 kg ( 794 lb )

Related products

  • Equipment
  • Power Systems
  • Attachments
  • Material Handling
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