C4.4

Cat® C4.4 Diesel Engine

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C4.4 Diesel Engines
Maximum Power
142 hp
Maximum Torque
411.2 lb-ft @ 1400 rpm
Rated Speed
2200 rpm
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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THE RUNDOWN

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
Power Rating
Maximum Power142hp
Maximum Torque411.2lb-ft @ 1400 rpm
Rated Speed2200 rpm
Minimum Power91.2hp
Emission Standards
EmissionsChina Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore4.1in
Stroke5in
Displacement269in³
Compression Ratio16.9:1
AspirationTurbocharged (T) or Turbocharged Aftercooled (TA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Engine Dimensions - Approximate
Length24.8in
Width24.6in
Height37.7in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments794lb
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