Some of the big trucks ran a 5 speed Clark trans. in them. I have a 71 manual that lists 7 different 5 speeds for the big trucks, 2 New Process',1 Spicer and 4 Clarks but I don't know how far back they go. My manual doesn't list the ratios either, sorry,
Scott

Scott Ward

2 1948 1.5-ton Loadmasters
The red one and The snow pusher
1 1950 3100
1 1955.1 Chevy 6500
1 1954 Chevy 6500 2-Ton
1 1955 1st Series COE 5700
1 1963 K20 (454)
1 1964 C10 (350)
1 1951 1.5-ton Dump Truck
1953 and a 1956 Ford F800

Raising a teenager is like trying to nail Jello to a tree!