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SDcampowneroper's avatar
SDcampowneroper
Explorer
Aug 11, 2021

GM 'o7classic LBZ dsl 6 spd to '21 L5P dsl 10 spd report

It just became time for a new truck The 'o7 gave us great service for over 14 years, towing our 16k 5er and many times a 2nd trailer over 50k mi. towing. Youve seen us in the Q, in Baltimore, Brooki...
Tow Vehicles
deltabravo's avatar
deltabravo
Nomad
Aug 15, 2021
noteven wrote:
Are the new GM diesels only available with the 10 speed powershift transmissions?


THe Duramax is only available with a 10 speed speed Allison (branded) transmission. I've never heard of a transmission in a GM truck called a "powershift transmission."

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