WW2 1942 to 45 WC 1/2 ,wc3/4, 1-1/2 ton 6x6,
1946 to 48 WDX Power wagon tranny and PTO

Right Early and Left late M37 transmissions. Note the differences in the shape of the shift towers , both are called NP420

NP435 transmission

NP4530 transmission

 

 

dodge bellhousing , Left late after 1955 and Right Early 1955 back all ww2 & all M37 transmissions. Note the differences in the bolt patter.