C6.6 Military Diesel Engine

Caterpillar's C6.6 Military Diesel Engine is compactly designed and offers power as well as fuel savings to military vehicles.

A004049c66 10343155
Caterpillarinc 10055176

The C6.6 Military Diesel Engine from Caterpillar is a 6.6 liter engine durably designed to perform in rough military applications.

  • Features power range of 250 to 350 hp at 2,600 rpm
  • Compactly designed
  • Reduces noise by five decibels compared to previous versions
  • Electronic controller provides engine control as well as precise fuel and air delivery for emissions reduction and performance
  • Can be paired with C6.6 automatic transmission for integrated power pack
  • Provides clean, quiet operation as well as power and durability


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