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C4.4

Industrial Diesel Engines

The Cat® C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards. Turbocharged (T) and Turbocharged Aftercooled (TA) Ratings are also available, ranging from 55.5-83 bkW (74.4-111.3 bhp) @ 2200-2400 rpm. These ratings meet U.S. 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 83 kW
Maximum Torque 418 Nm @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 54 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

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

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Power Rating
Maximum Power 83 kW
Maximum Torque 418 Nm @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 54 kW
Emission Standards
Emissions 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 18.2:1
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 663 mm
Width 602 mm
Height 775 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 306 kg

SELECT MODELS TO COMPARE

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Maximum Power 4920 kW
Maximum Torque 48390 Nm @ 820 rpm
Rated Speed 800-1000 rpm
Minimum Power 4160 kW
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3512B

Maximum Power 1231 kW
Maximum Torque 7180 Nm @ 1450 rpm
Rated Speed 1800 rpm
Minimum Power 1119 kW
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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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Industrial Diesel Engines

3516B

Maximum Power 1640 kW
Rated Speed 1800 rpm
Minimum Power 1492 kW
Emissions Non-Certified
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3508

Maximum Power 746 kW
Maximum Torque 4263 Nm @ 1450 rpm
Rated Speed 1200-1800 rpm
Minimum Power 507 kW
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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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C4.4

Maximum Power 150 kW
Maximum Torque 825 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 82 kW
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3606

Maximum Power 1850 kW
Maximum Torque 18200 Nm @ 820 rpm
Rated Speed 750-1000 rpm
Minimum Power 1490 kW
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