DocKad.
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The three stick Mack
in Engine and Transmission
Posted
I've driven all-most every trans. that Mack has put out. the 3 stick . Has on the inside next to the driver a 2 speed. Hi, Low. Next stick is the 4 speed splitter. next stick, 5 speed main .The 2 speed is used for Low off road. Hi Highway use. The last Mack that had it was a 1962 B77 with a LTJ cab 320 wheel base. 300 Cummins. 6/29 rears KAD-Have wrench will travel