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C6.6

Industrial Diesel Engines

The Cat® C6.6 Industrial Diesel Engine is offered in ratings ranging from 89-205 bkW (119-275 bhp) @ 2200-2500 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Industries and applications powered by C6.6 engines include: Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, 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 and Underground Mining Equipment.

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Maximum Power 205 kW
Rated Speed 2200-2500 rpm
Minimum Power 89 kW
Emissions U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
Availability Contact Dealer
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C6.6
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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

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 C6.6

Collapse All
Power Rating
Maximum Power 205 kW
Rated Speed 2200-2500 rpm
Minimum Power 89 kW
Emission Standards
Emissions U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
General
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 105 mm
Stroke 127 mm
Displacement 6.6 l
Compression Ratio 16.2:1
Aspiration Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 929 mm
Width 668 mm
Height 797 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 506 kg

SELECT MODELS TO COMPARE

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Maximum Power 106 kW
Maximum Torque 558 Nm @ 1400 rpm
Rated Speed 2200 rpm
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Maximum Power 1492 kW
Maximum Torque 8391 Nm @ 1400 rpm
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C32

Maximum Power 1007 kW
Maximum Torque 6166 Nm @ 1400 rpm
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C13

Maximum Power 400 kW
Maximum Torque 2353 Nm @ 1400 rpm
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C9

Maximum Power 280 kW
Maximum Torque 1668 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 205 kW
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C15

Maximum Power 444 kW
Maximum Torque 2717 Nm @ 1400 rpm
Rated Speed 1800-2100 rpm
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3612

Maximum Power 3700 kW
Maximum Torque 41822 Nm @ 800 rpm
Rated Speed 750-1000 rpm
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C9.3

Maximum Power 298 kW
Maximum Torque 1719 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
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