In Wally's case I'd guess it had a wheel to belt drive harvest equipment of some kind.

There were also PTOs with forward and reverse for winches. I have one on a 3 Ton with 2 forward speeds and one reverse.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.