Just the trans did hang off the bell housing. Ask the folks that make/sell the Ranger if they want an SM420 just hung off the back.

If the engine is already mounted at front and two at clutch housing then I think it'd be fine (if OK by manufacturer). Adding a 4th mount point could cause problems with vibrations and stress on the assembly as the frame flexes in use.

If you only have two side engine mounts now then you will need a 3rd mount at back of transmission.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-