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Join Date: Jan 2000
Location: Unincorporated North TX.
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The capacity of the tires on an F350 SRW are either 4 @3640 for 14,560 lbs on the 18" rims or 4@3750 for 15000 lbs if you got the 20" wheels. The tires do not limit ANYTHING these trucks are rated for. The rear axle rating is 7280 lbs on a 2016 SRW F350. You can't get anywhere near any of these numbers with a GVW of 11,500 lbs. The front end weight is around 5200 lbs on the diesels only leaving 6300 for the rear…which is no where near the 2 tire capacity of 7280 or 7500 lbs. The front axle is rated at 6K lbs. The 2017 SRW F350 truck uses a different rear axle than the 2016's. It now has a DANA under the back…but no greater GVW was obtained even though the tires and axles are rated for it. The 2016 had axles rated for 6K+7280 for a total of 13,280…way below the tire ratings. I'm not sure if the 2017 rear axle is rated higher than the 2016, but the front stayed at 6K. I was hoping for an 8K rear rating to go with a front of 6K which would have put a 12.5K GVW well under the axles and tire ratings on a SRW F350.
Just looked at Fords site and the 2017 SRW 4X4 rear axle is rated at 7230 lbs. That is 50 lbs less than the 2016 truck. Combined axle rating would be 13,230 on a SRW 4X4…well below the tire ratings. I'm guessing Ford is sandbagging. Why replace the Sterling axle with a new DANA axle on the SRW F350 with the same weight rating. I bet the GVW goes up on the SRW F350 next year after the competition raises theirs. The F250 still uses the Sterling rear axle.
2016 F350 KING RANCH DRW, 4X4, RUBY RED/CARIBOU, 3.73'S, LOADED, TUNED, ARE FLAT BED COVER, SPRAY IN LINER, 2.5" RANCHO FRONT LIFT, 3" REAR LIFT, RANCHO 9000 XL'S, 255/80/17 BFG MUD TERRAINS, EBC BRAKES, RADIO LOCKPICK, FRONT LIGHT BAR AND REAR FLUSH MOUNT LED'S.
Last edited by COBRAJET; 12-25-2016 at 10:50 PM.