F250 Rear Axle Weight Rating with 20" wheels
Does anybody have a 2011+ F250 with 20" wheels that they can check the rear axle rating on the b-pillar sticker? I found that the F350 SRW door sticker shows 7000 lb with 20's but want to know if the...
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Fleet Ford builders rear axle specs
Differential......................F250..........F350 SRW
Axle Shaft— Spline Minor Dia......1.36..........1.50
..........— Spline Major Dia......1.50..........1.57
.........— No. of Splines (Hub End) 35............37
Ford shows these specs from 2014 back to 2005. I didn't search any farther back. IMO the differences in diameters and spline count could be gas vs diesel if Fords specs are right. I find it odd Ford has gone all these years with the wrong information.
Granted the axles carry no weight but just turn the gears so larger diameter axle allows more engine twist.
Differential......................F250..........F350 SRW
Axle Shaft— Spline Minor Dia......1.36..........1.50
..........— Spline Major Dia......1.50..........1.57
.........— No. of Splines (Hub End) 35............37
Ford shows these specs from 2014 back to 2005. I didn't search any farther back. IMO the differences in diameters and spline count could be gas vs diesel if Fords specs are right. I find it odd Ford has gone all these years with the wrong information.
Granted the axles carry no weight but just turn the gears so larger diameter axle allows more engine twist.
