I was trying to do the same to my 1935 I just brought home. The manual instructions are to separate at the universal joint. But after reading other posts I desided to remove the engine and transmision out the front as one unit. I had done this to my 1933 truck also before.

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1934 1.5-Ton Big Bolts ~ Gallery page https://www.facebook.com/Grizzle-Vintage-Parts-1446215762368948/