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rotorwrench · 08-08-2018, 08:44 AM

Marmon Herrington converted about any Ford vehicle requested to 4WD starting in 1936 or so. A conversion like that would be about as close as you would ever get to a 1959 GMC 4WD.

Those early Mercury cars had a different set up on ring & pinion than their Ford counterparts. The pinion was part of the drive shaft. This makes changing a ring & pinion set or even a complete rear axle a real chore. A new drive shaft set up has to be fabricated unless a person found an original set of 4.11 gears for a Merc.

A lot of Mercs had the 15/29 transmission gears in the early years of the marque but I'm not sure about the 1939.

08-08-2018, 08:44 AM	#10
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,422	Re: ‘39 Merc All Terrain Vehicle??? Marmon Herrington converted about any Ford vehicle requested to 4WD starting in 1936 or so. A conversion like that would be about as close as you would ever get to a 1959 GMC 4WD. Those early Mercury cars had a different set up on ring & pinion than their Ford counterparts. The pinion was part of the drive shaft. This makes changing a ring & pinion set or even a complete rear axle a real chore. A new drive shaft set up has to be fabricated unless a person found an original set of 4.11 gears for a Merc. A lot of Mercs had the 15/29 transmission gears in the early years of the marque but I'm not sure about the 1939.