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
2014 Haulmark 40' Super C on Freightliner Cascadia ISX15 Easton 13 speed
Former Owner 1990 38' Newell Coach 236 8V92
Former Owner 1999 45'8" Newell Coach 526 Series 60
Former Owner 2002 45'8" Newell Coach 608 Series 60