think thats just a ford thing when i bought my truck i was debating dually srw 1 ton and 3/4. all of them had the exact rear end for the chevys except the gear ratio. the srw 1 ton and 3/4 was 200 lbs difference from each other as far as trailering was concerned and exact same on payload itself. and i still havent found anyone that can tell me where that 200 lbs difference is from cause i looked at 2 trucks. 2500 and 3500 single rear. identicalit used to be that a 3/4 and 1 ton srw were the same. This is no longer the case with Ford anyway. The 3/4 has a smaller rear axel that the 1 ton srw.
pre ‘16 Superduties had a leaf spring and a larger spacer in the rear spring pack.
1 ton Srw trucks have alway had larger payloads than their 3/4 ton counterparts.
z71 package down to the color trim same exact motor rear gears the only difference i could find was the badge really. well and the 10k more price tag.
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