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Old Feb 21, 2021 | 10:09 PM
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Jared Williams's Avatar
Jared Williams
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Rear diff
Hey i’ve got a 2020 DRW f350 w 3.55 gears. I was looking in the manual to see what rear end oil to use and it all depends on ring gear size... Any chance i could find that out somehow. thanks
 
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Old Feb 21, 2021 | 10:16 PM
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ford390gashog
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All the DRW trucks use the M300 axle.
 
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Old Feb 21, 2021 | 11:37 PM
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bobv60
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The M300 is 300mm ring gear so 11.81"
 
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