Ford introduced the Twin Traction Beam (TTB) in the early 1980s under F-150 trucks. The design, unique to Ford, combines solid and independent axles, uses stamped-steel beams as the axletubes, and ...
Some call it the poor man's Dana 60. It's not as big, and it's not as strong, but it'll do the job of a heavy-duty Dana 44 and then some for roughly the same cost. So why is the Dana 50 one of the ...