3B,
The backing plate has the two slots for adj. the wheel cyl. screws.
The truck is so stock looking, like nothing is changed or messed with, which is not often seen on something this old. It's still got the original style rad hose clamps,maybe the hose also....thats hard to believe.
With that thought it's hard to imagine an axle change along with the 50 years of grease and dirt built up on it.
In the Shop Manual it says 48-51, 1, 1 1/2, & 2 ton use the type that are adj.at each end. The 52 supplement in the back of the manual does not mention a change on the front.
I was thinking that maybe the 1 1/4 would work and was wondering what was on other 2 ton trucks.
Dan


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