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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: CrabbyMilton on July 09, 2020, 07:19:20 AM

Title: Triple range automatic transmisson
Post by: CrabbyMilton on July 09, 2020, 07:19:20 AM
What exactly is a triple range automatic transmission? I was looking at some late 1950's FORD school bus chassis brochures. One of the options was an ALLISON tranny called TRANSMATIC(I think) that stated it was a triple range type.
Does this mean it had selectable shift points or something else?
Title: Re: Triple range automatic transmisson
Post by: luvrbus on July 09, 2020, 07:53:36 AM
What exactly is a triple range automatic transmission? I was looking at some late 1950's FORD school bus chassis brochures. One of the options was an ALLISON tranny called TRANSMATIC(I think) that stated it was a triple range type.
Does this mean it had selectable shift points or something else?


It was a 3 speed transmission with a Allison Torque Converter drive on the rear,there is a well driller here that has one mounted to a 3-71
Title: Re: Triple range automatic transmisson
Post by: CrabbyMilton on July 09, 2020, 09:23:34 AM
The specs I saw stated that it was a 6 speed triple range but thanks anyway.
Title: Re: Triple range automatic transmisson
Post by: luvrbus on July 09, 2020, 12:56:41 PM
The specs I saw stated that it was a 6 speed triple range but thanks anyway.


His transmission has a high and low range before it goes through  TorqueAmatic
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