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C4.4

Industrial Diesel Engines

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.

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Maximum Power 129.4 kW
Maximum Torque 750 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 70 kW
Availability Contact Dealer
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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

High Performance

Series turbocharging with smart wastegate available on specific ratings for fast response, high power, and increased torque. 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

Low Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, "no ash service" aftertreatment, and 500-hour oil... Read more

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction. 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

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Power Rating
Maximum Power 129.4 kW
Maximum Torque 750 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 70 kW
Emission Standards
Emissions U.S. EPA & CARB Tier 4 Final
General
Engine Configuration Inline 4
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Compression Ratio 16.5:1
Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+SCR or DOC+DPF+SCR
Engine Dimensions - Approximate
Length 845 mm
Width 742 mm
Height 868 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 420 kg
Aftertreatment Dimensions
Length 675 mm
Width 478 mm
Height 390 mm
Weight 45 kg
Aftertreatment Dimensions*
Diameter 270 mm

SELECT MODELS TO COMPARE

Industrial Diesel Engines

C1.1

Maximum Power 21 kW
Maximum Torque 67 Nm @ 2400 rpm
Rated Speed 2200-3400 rpm
Minimum Power 14.7 kW
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Industrial Diesel Engines

C7.1

Maximum Power 205 kW
Maximum Torque 1050 Nm @ 1400 rpm
Rated Speed 2200-2500 rpm
Minimum Power 116 kW
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Industrial Diesel Engines

3516

Maximum Power 1492 kW
Maximum Torque 8391 Nm @ 1400 rpm
Rated Speed 1200-1800 rpm
Minimum Power 1011 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

C4.4

Maximum Power 83 kW
Maximum Torque 418 Nm @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 54 kW
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Industrial Diesel Engines

C1.7

Maximum Power 26.1 kW
Rated Speed 2400 & 2600 rpm
Minimum Power 23.6 kW
Emissions U.S. EPA Tier 4 Interim Equivalent
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Industrial Diesel Engines

C13

Maximum Power 400 kW
Maximum Torque 2353 Nm @ 1400 rpm
Rated Speed 1800-2100 rpm
Minimum Power 287 kW
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Industrial Diesel Engines

C6.6

Maximum Power 205 kW
Rated Speed 2200-2500 rpm
Minimum Power 89 kW
Emissions U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
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