The PTO gearbox and shafts are $450.
https://www.facebook.com/commerce/products/1961-willys-jeep-pickup-parts/5891134317573518
“3 speed tranny 400 rear PTO with shafts 450 dana 27 front and Spicer 53 rear end and a Super Hurricane Flat head Six free but exhaust valves stuck open don’t run 650obo If there is parts you need let me know. Cab not for sale all came off a 1961 Willys pickup”