I am not sure about a 1935 but my 1937 and later trucks do not have a rear transmission seal. This is because the u-joint needs lubrication and it gets it from gear oil coming through the rear bearing. The seal and bushing are in the the front of the torque tube. If those fail, you can replace them (assuming you find replacements) or install a quick fix combined bushing and seal, also called an Okie bushing.
Kent

Last edited by Lightholder's Dad; 12/19/2021 3:45 PM.

1937 Chevy 1/2 ton
1942 Chevy 1/2 ton
1947 Diamond T Model 509
1951 Chevy 1/2 ton
1950 Chevy COE Model 5700 ~ "Barney" ~ And more pix