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Cat® C6.6 ACERT™ Diesel Engine
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The Cat® C6.6 ACERT 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 ACERT 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.

Specifications
Standard Equipment

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 (4.13 in)
Stroke
127 mm (5.0 in)
Displacement
6.6 L (402.8 in³)
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
16.2:1
Combustion System
Direct Injection
Rotation (from flywheel end)
Counterclockwise

Power Rating

Minimum Power
119.0 bhp
Maximum Power
275.0 bhp
Frequency
2200-2500 rpm

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length
929 mm (36.6 in)
Width
668 mm (26.3 in)
Height
797 mm (31.4 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
506 kg (1116 lb)
  • Air Inlet System
  • Control System
  • Cooling System
  • Exhaust System
  • Flywheels and Flywheel Housing
  • Fuel System
  • Lube System
  • General