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allison transmission

  1. S

    Peterbilt 335 Allison transmission

    My 09 335 with a 6 speed Allison transmission won’t shift into gear. Parked the truck and it worked fine, a few days later went to drive it, pressed the brake pedal, pushed the drive button and nothing. When you turn the engine off and with the key on I can push the key pad and it displays the...
  2. K

    MT653 Allison Transmission problem

    Suddenly loose power while driving up a hill. Happened 3x. Pull over, go through gears, then works again. Tranny slipping? Put on 16K # load and drove up 2 steep hills, no problem.
    • Kal Kal
    • Thread
    • 1988 ih s1900 allison transmission mt653
    • Replies: 1
    • Forum: Trucks
  3. A

    DD 3:53 and Allison AT545 swap

    Good morning, I have searched and found a lot of information, but not what I am really looking for, I have a B/W T12 in my old dynahoe and am going to convert over to a AT545. I really only need 1 and reverse as its just a farm hoe and speed is not a factor. I believe the 3:53 is a SAE #3...
    • alevins
    • Thread
    • allison transmission at545 dd3:53
    • Replies: 1
    • Forum: Shop Talk
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