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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
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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

C0.7

Maximum Power 13.3 kW
Maximum Torque 44 Nm @ 2400 rpm
Rated Speed 2200-3600 rpm
Minimum Power 8.8 kW
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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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Industrial Diesel Engines

C1.1

Maximum Power 18.4 kW
Maximum Torque 86 Nm @ 1600 rpm
Rated Speed 2800 rpm
Minimum Power 14.4 kW
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Industrial Diesel Engines

3508B

Maximum Power 820 kW
Maximum Torque 4353 Nm @ 1450 rpm
Rated Speed 1800 rpm
Minimum Power 746 kW
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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

C2.2

Maximum Power 45.5 kW
Rated Speed 2200 - 3000 rpm
Minimum Power 31 kW
Emissions U.S. EPA Tier 4 Final
Compare models
Industrial Diesel Engines

C2.2

Maximum Power 36 kW
Maximum Torque 165 Nm @ 1800 rpm
Rated Speed 2800 rpm
Emissions U.S. EPA & CARB Tier 4 Final
Compare models
Industrial Diesel Engines

3512C

Maximum Power 1120 kW
Maximum Torque 7130 Nm @ 1500 rpm
Rated Speed 1800 rpm
Minimum Power 1120 kW
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