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Read my post. FORD used the 3050 (5 spd)when the MDs first became available to Ford medium duty trucks (mid 1994)., motorhomes (w/ 230hp or more) used the 3060 (6 spd). (FYI) MHs with 190 HP diesel used the Allison 540 series trans (lacked lock up), so you'd lose 3 to 4 mph from geared speed...

They are all wheel drive, As also implied in my first post. The module that adds the axle front drive (transfer case), also has the 7th speed ( granny 1st). And just to say it: there is no hi /lo transfer case, just the additional low gear During my "resurrection" of the FDT, I read a lot on...

For those without the TMs. this is the description for the trans and operation

I'm sorry guys, but the links to current Allison trans is like using a current Ford brochure for specs on a on a 1990's Mustang.... they are not the same! I've avoided posting on this topic because I've been looking for the docs to support what I remember on the Allison World Class trans...