Rear axle questions, specifically dually

[Flatbedford]

I haven't measured yet. Too much time spent at work. Try to get out tomorrow if I'm around during daylight hours. I think the key measurement to compare from the DRW to SRW axle would be the distance from backing plate to spring pad. Stand by...

 

[Cowboy_Customs]

Thanks flatbed.

I am a lil curious about this whole rubbing issue now. The rear axle I went after the other day had the stock 250 springs and some tiny lil drums on the axle itself. My SRW drums are bigger. But it had the bud wheels with no rubbing issue. But it is possible it had spacers, but for a truck that was that rusted out, Id spend the money on the springs and axle rather then spacers. But maybe thats just me.

 

[Flatbedford]

As well I remember,the springs on my F250 are the same legth and width as my F350, and as the one I dismantled. The difference is in the frame width. Measurements tomorrow, I hope..

 

[Mr_Roboto]

Remember that F-350 SRW and F-350 DRW are different trucks!

And F-350 DRW pickups are different from F-350 cab / chassis.

Each one uses a different axle.

 

[Flatbedford]

Comparison of '96 F250 4x4 and 1986 F350 DRW 4x4 cab & chassis. Both with Sterling 10.25.
F250 frame width 37"
F350 frame width 34"
F250 spring pad to backing plate 4 3/4"
F350 spring pad to backing plate 6 3/4"