Don't have that one, But most of the gear drive front tine tillers of the era used the same belt arrangement shown in Bills post. The reverse belt was twisted ( crossed) to change direction. Standard Briggs engines. If the lower unit is your problem, it will be difficult to get parts.
bill_kapaun
farmerdill
pj s
chadwellanthony
Lonnie Davis
Lonnie Davis
Daniel
Lonnie Davis