12-04-2017, 09:52 PM
the tranny in a 1990 is an allison hd740 and it is a 4 speed. i had a 90 before i got my 02.
they put many different hitches on so we probably cant help there.
as for heaters, mine had 3 propane furnaces. i know some had a diesel fired system that is no longer made. not likely it had both.
tom
they put many different hitches on so we probably cant help there.
as for heaters, mine had 3 propane furnaces. i know some had a diesel fired system that is no longer made. not likely it had both.
tom
2002 45'8" Newell Coach 608 Series 60 DDEC4/Allison World 6 Speed HD4000MH