I am looking for some experienced advice on how to adapt a 4BT diesel to the NP420 transmission on an 1954 M37. I have looked around the internet and have not found much information. Most people change out the transmission to something like a NV4500. I rather not, and looking for an adapter or direc...

Hi, I'm new to the forum and reading thru the discussion, just bought my first M37 in August. I'm curious, has anyone figured out or thought once the axle is strengthened which is the next component to go? I saw the torsional failure and of course it failed at the machined splines after some torsion...

Im new to the forum and interested in the engine
call me as you have a minute im in riverside california 949-584-2632