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Farmall1212

B67 rear end model identification

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Just got a B67 and it does not have the center section in the rear. Axles are there. Any idea where I can find a tag or stamping to determine what I need? Did they all have the same rear just different ratios? I am going to use this as a site truck in the mountains so I don’t need it to be brand new. It does have Mack stamped in the rear cover which is welded on and is not removable is that helps in identifying. Can I swap it out with a newer style that drops in From the top? This one comes in from the front. Thanks 

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Could be either a single, or double reduction differential originally. Do yo have the driveshaft available with the truck? If so and you'll relay the distance from the center of the rear universal joint to the rear end housing face, one can figure out what was originally there. Most likely a dual reduction unit as several were. There may be stampings on the right axle tube viewed from the rear also that would identify it. 

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Sweet! I do have the driveshaft but it will take me a few days to get it measured. I will post once I get the dimension. Thanks 

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