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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

Industrial Diesel Engines

C32

Maximum Power 895 kW
Maximum Torque 5499 Nm @ 1200 rpm
Rated Speed 1800 rpm
Minimum Power 746 kW
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C9.3B

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

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

C7.1

Maximum Power 162 kW
Maximum Torque 900 Nm @ 1400 rpm
Rated Speed 1950-2200 rpm
Minimum Power 112 kW
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Industrial Diesel Engines

3512B

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

C27

Maximum Power 783 kW
Maximum Torque 4674 Nm @ 1200 rpm
Rated Speed 1800 rpm
Minimum Power 597 kW
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Industrial Diesel Engines

C4.4

Maximum Power 106 kW
Maximum Torque 558 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 68 kW
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Industrial Diesel Engines

3608

Maximum Power 2460 kW
Maximum Torque 24700 Nm @ 820 rpm
Rated Speed 800-1000 rpm
Minimum Power 2080 kW
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