Posted by Glen on Sunday, March 27, 2005 at 0:14AM :
In Reply to: OT Mack B model posted by Jonas on Saturday, March 26, 2005 at 12:15PM :
The engine is probably an ENDT673. If it's got camelback suspension you're out of luck converting to single screw. But if each axle has it's own leaf spring hangers you could slide forward the rear axle to the #2 position easy enough.