Leaf Spring Codes
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Leaf Spring Codes
Hello, Im looking to replace my rear leafs on my '05 F350 SRW CCSB and cannot find a load capacity chart/code chart for the rear leafs. If anyone could point me in the right direction that would be much appreciated, my Code is TTCC front coils are TT rear leafs are CC. Thanks in advance.
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From: Media PA
I don't have a chart for rear leaf spring packs, but your C code SRW springs are dual rate springs rated at 330/650lbs per inch with a weight rating of 5590lbs total, the dual rate transition is at 3562lbs.
This info was posted over in the Excursion section of the forum by member @RobRoss who has done a lot of spring research for the EX folks who frequently swap up to the heavier pickup springs to improve their wagons.
Why are you replacing your springs?
This info was posted over in the Excursion section of the forum by member @RobRoss who has done a lot of spring research for the EX folks who frequently swap up to the heavier pickup springs to improve their wagons.
Why are you replacing your springs?
Laughing Gas
Joined: Jul 2010
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From: Flat Rock, MI
Thanks for the heads up Tom!
Your current C code spring should have an overload and if you want more capacity than what you have, the only spring with that is the DRW C code. Per the design specs, it's rated about a 1000 lbs more per spring that the SRW C. the DRW C was reasonably priced from Ford too, service number is 3C3Z 5560 DA. I would have bought these for my truck but found the part number after the fact. The DRW was about $75 cheaper per spring than the SRW.
Your current C code spring should have an overload and if you want more capacity than what you have, the only spring with that is the DRW C code. Per the design specs, it's rated about a 1000 lbs more per spring that the SRW C. the DRW C was reasonably priced from Ford too, service number is 3C3Z 5560 DA. I would have bought these for my truck but found the part number after the fact. The DRW was about $75 cheaper per spring than the SRW.
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Thank you for all the feed back. Ended up calling bob at ATS springs and he was super helpful, he said c code for my truck is 3000lb cap per spring with the over load at around 500-550 per side. I dont tow heavy enough often to warrant get drw springs so im going with the srw c code. Reason im replacing them is because of a drivers side sag, i decided i wanted to do it right instead of going by fords survice bulletinand shim it. Thanks again for all the input.
Laughing Gas
Joined: Jul 2010
Posts: 1,174
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From: Flat Rock, MI
Thank you for all the feed back. Ended up calling bob at ATS springs and he was super helpful, he said c code for my truck is 3000lb cap per spring with the over load at around 500-550 per side. I dont tow heavy enough often to warrant get drw springs so im going with the srw c code. Reason im replacing them is because of a drivers side sag, i decided i wanted to do it right instead of going by fords survice bulletinand shim it. Thanks again for all the input.
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Ahhh makes sense. Gonna have to give it a look when i get new springs on.
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