Cat® C4.4 Diesel Engine
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.
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SPECIFICATION SUMMARY
- Minimum Power 82.5 bhp
- Maximum Power 142.0 bhp
- Emissions China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
- Rated Speed 2200 rpm
Power Rating
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Minimum Power82.5 bhp
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Maximum Power142.0 bhp
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Rated Speed2200 rpm
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Minimum Power91.2 HP
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Maximum Power142 HP
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Rated Speed2200 rpm
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Maximum Torque411.2 lb-ft @ 1400 rpm
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Maximum Power142 HP
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Maximum Torque411.2 lb-ft @ 1400 rpm
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Rated Speed2200 rpm
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Minimum Power91.2 HP
Emission Standards
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EmissionsChina Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
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EmissionsChina Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
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EmissionsChina Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
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Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
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Bore105 mm (4.13 in)
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Stroke127 mm (5.0 in)
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Displacement4.4 L (269 in³)
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AspirationTurbocharged (T) or Turbocharged Aftercooled (TA)
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Compression Ratio16.2:1
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Combustion SystemDirect Injection
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Rotation (from flywheel end)Counterclockwise
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Lube System (refill)11 L (11.6 qt)
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Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
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Bore105 mm (4.13 in)
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Stroke127 mm (5.0 in)
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AspirationTurbocharged (T) or Turbocharged Aftercooled (TA)
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Displacement4.4 L (269 in³)
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Compression Ratio16.9:1
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Combustion SystemDirect Injection
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Rotation from Flywheel EndCounterclockwise
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Lube System - Refill11 L (11.6 qt)
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Bore4.1 in
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Stroke5 in
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Displacement269 in³
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Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
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Bore4.1 in
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Stroke5 in
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Displacement269 in³
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Compression Ratio16.9:1
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AspirationTurbocharged (T) or Turbocharged Aftercooled (TA)
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Combustion SystemDirect Injection
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Rotation from Flywheel EndCounterclockwise
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
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Length631 mm (24.8 in)
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Width626 mm (24.65 in)
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Height823.5 mm (32.4 in)
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Weight, Net Dry (Basic Operating Engine Without Optional Attachments)360 kg (793.7 lb)
Engine Dimensions - Approximate
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Height823.5 mm (32.4 in)
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Length631 mm (24.8 in)
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments360 kg (793.7 lb)
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Width626 mm (24.65 in)
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Height37.7 in
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Length24.8 in
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Width24.6 in
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments794 lb
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments794 lb
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Length24.8 in
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Width24.6 in
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Height37.7 in
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
Standard Equipment:
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- Air Inlet System
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- Inlet manifold with choice of inlets.
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- Control System
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- Alternator
- Starter motor
- Glow plug starting aid
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- Flywheels And Flywheel Housing
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- SAE No. 3 flywheel housing
- Flywheel and starter rings
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- Fuel System
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- Fuel filter positions
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- Lube System
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- Lubricating oil filters and breathers
- Oil filter positions
- Lube oil sump
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- Power Take Off
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- SAE B Power Take Off (PTO)
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- General
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- 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