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C4.4

Industrial Diesel Engines

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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Maximum Power 106 kW
Maximum Torque 558 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 68 kW
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C4.4
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FEATURES & BENEFITS

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. Read more

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs. Read more

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... Read more

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industria... Read more

Package Size

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size. Read more

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... Read more

SPECIFICATIONS FOR C4.4

Collapse All
Power Rating
Maximum Power 106 kW
Maximum Torque 558 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 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 105 mm
Stroke 127 mm
Displacement 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 631 mm
Width 626 mm
Height 958 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 360 kg

SELECT MODELS TO COMPARE

Industrial Diesel Engines

C9.3B China NR4

Maximum Power 340 kW
Maximum Torque 2088 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 250 kW
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Industrial Diesel Engines

C4.4 China NR4

Maximum Power 129.4 kW
Maximum Torque 750 Nm @ 1400 rpm
Rated Speed 2000 to 2200 rpm
Minimum Power 110 kW
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Industrial Diesel Engines

C3.6 China NR4

Maximum Power 82 kW
Maximum Torque 450 Nm @ 1500 rpm
Rated Speed 2200 rpm
Minimum Power 74.4 kW
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Industrial Diesel Engines

3512

Maximum Power 1119 kW
Maximum Torque 6210 Nm @ 1400 rpm
Rated Speed 1200-1800 rpm
Minimum Power 761 kW
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Industrial Diesel Engines

C1.1 China NR4

Maximum Power 21 kW
Maximum Torque 86 N·m
Rated Speed 3400 rpm
Minimum Power 16.1 kW
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Industrial Diesel Engines

3054C

Maximum Power 97 kW
Maximum Torque 500 Nm @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 52 kW
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Industrial Diesel Engines

C7

Maximum Power 224 kW
Rated Speed 1800-2200 rpm
Minimum Power 168 kW
Emissions China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
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Industrial Diesel Engines

C0.5

Maximum Power 10.2 kW
Maximum Torque 29.7 Nm @ 2600 rpm
Rated Speed 2000-3600 rpm
Minimum Power 8.2 kW
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