I've Been saying for too long, "I'm gonna upgrade" well the wait is over I need tires anyway. I drive a '13 F350 SRW 8' 6.7L Upper Stableloads Super Hitch w/ 48" truss, and carry a'13 N.L. 10-2 cdse. Went to the scales and I weigh, Front 5200, Rear 7500 GVW 12,700. That puts me at 800 under Front GAWR and 500 over Rear GAWR, and 1200 over GVWR. This is with water full and packed to the gills' This is not how I'm usually packed, probably 300-400 lbs. extra if not more, I was dropping stuff off on my trip. I've driven Class Trucks, and towed for the last 40 yrs. so I know what weight feels like and where to put it. I've never felt uncomfortable, or unsafe with this set-up, and truck handles weight well. I just don't know rim terminology," back spacing,off set,lug centric, etc.... Can you steer me in the right direction, as to what I need to know for size,other than the obvious 19.5 x........... Tire recommendations and brands welcome also. I mostly stay to paved road, with the occasional dirt or sand trip. Sorry so long winded my searches were frustrating the h ll out of me. Not technology blessed. Thanks in advance, K Mac.:h

If you have 18" wheels you may want to check on the Toyo's as the have a tire that has a 4080lb. rating.

What are your current wheels rated for? If they can handle the load, I agree get those 4080 rated tires or something similar. Didn't care for 19.5's on my old 02 Super Duty. Loss of traction, wouldn't get near sand and had to put in 4X4 to back up my wet driveway sometimes, not to mentions a rough ride unloaded. But they did add that safety margin. Something to think about.

It's not so complicated as all that. You go to the rim dealer's storefront or website, plug your 2013 F350 SRW into the computer, and they show you the rims that will fit.Being an SRW, your rims are likely lug-centric. To verify, remove a lug nut. If it is tapered where the nut contacts the rim, it is lug-centric. DRW's are usually hub-centric because the tapers of a lug-centric rim would interfere with each other when dualing up the wheels on the rear.

So, are you looking to upgrade to 19.5s or keep the light duty 17/18/20s? You didn't say.You also don't state what rims you currently have. If base model 17s, finding tires with high load ratings is now next to impossible.18s and 20s, there are a plethora of tires int he 3400 to 4000lb load cap range, just pick one.Most aftermarket 17/18/20 wheels are rate around 3500lbs per tire. Method NVs are rated 4500 iirc.Finding OE rim load ratings is difficult, but one can reasonably assume they're at least rated in the 3500lb + range based on some models weight and available payload. My recommendation for strength, other than going to 19.5s, is OE 18s or 20s alloy wheels with some stout tires.Been packing 7500lbs plus on the back of SRW trucks with OE wheels for a long time without issue. My rationale is there is NO WAY that a truck mfg would not put a substantial factor of safety on HD pickup wheels. The risk would far outweigh the small financial gain of cheaper wheels.

mkirsch wrote:It's not so complicated as all that. You go to the rim dealer's storefront or website, plug your 2013 F350 SRW into the computer, and they show you the rims that will fit.Being an SRW, your rims are likely lug-centric. To verify, remove a lug nut. If it is tapered where the nut contacts the rim, it is lug-centric. DRW's are usually hub-centric because the tapers of a lug-centric rim would interfere with each other when dualing up the wheels on the rear.IDK about fords, but OE Ram and the GM wheels on the GMT 900s are/were both lug and hub centric.Alot of aftermarket wheels are only lug centric so they fit multiple applications with the same lug spacing.

Wheel and Tire Recommendations: | Good Sam Community

jimh406
Explorer III
Jan 23, 2018
K Mac wrote:
Tire Dealers around here give me more excuses for why I shouldn't go to 19.5" wheels, (personally I don't think they know what a TC is) so I back to ask the EXPERTS what your running on your Visions. Vision rep Barry @ AL. link (Runs Visions Himself) suggested 225/70-19.5 over 245/70-19.5 (Better Height Match) because of the cost factor. This is for '13 F-350 SRW LB carrying a'13 NL 10-2 cdse. Thanks again K.Mac. Almost forgot, what happens with the TPMS ? won't I need different sensors because of the pressure difference ? I'm cluless:h

You should see the load rating of the 225 vs 245 because in some brands/types, the load rating is dramatically different. I ran Hankook DH-01 G 245s on my SRW for 8 1/2 years. On my F450, 225 is stock and the recommended size. I am running Fs though to be a little less stiff.
Kayteg1
Explorer II
Jan 23, 2018
K Mac wrote:
This is for '13 F-350 SRW LB carrying a'13 NL 10-2 cdse. Thanks again K.Mac. Almost forgot, what happens with the TPMS ? won't I need different sensors because of the pressure difference ? I'm cluless:h

Those numbers can lead to lot of confusion.
What you need it tell us what max load you are planning to have on your wheels and what is the proposed tire weight carrying?
Coming to TPMS, being that new technology each year had different features.
My 2017 F350 has TPMS but suppose they will not ring an alarm (I keep postponing the test) but since I can check the pressure every day, that is good for me. Also some systems nave receiver at each wheel and rotating the wheels will update itself automatically, on some systems you need to program the sensors to the position.
Your manual should be the best source for that info.
hedge
Explorer
Jan 23, 2018
delete
K_Mac
Explorer
Jan 23, 2018
JW2 wrote:
K Mac:

Curious, what did you end up deciding about upgrading your tires and wheels?
Here's where we stand. Vision 81 A's-& C's (diff. Caps)from Summit, out the door for $630.52.They matched price of WPFLA (Vision recomended) who wouldn't accept a Credit Card and I don't know PayPal so Went with Summit, good long standing company. Working through the links you suggested on Tire choice. Boy, there's a lot more to this than I would have thought. Tire Dealers around here give me more excuses for why I shouldn't go to 19.5" wheels, (personally I don't think they know what a TC is) so I back to ask the EXPERTS what your running on your Visions. Vision rep Barry @ AL. link (Runs Visions Himself) suggested 225/70-19.5 over 245/70-19.5 (Better Height Match) because of the cost factor. This is for '13 F-350 SRW LB carrying a'13 NL 10-2 cdse. Thanks again K.Mac. Almost forgot, what happens with the TPMS ? won't I need different sensors because of the pressure difference ? I'm cluless:h
JW2
Explorer
Jan 23, 2018
K Mac:

Curious, what did you end up deciding about upgrading your tires and wheels?
Ski_Pro_3
Explorer
Jan 08, 2018
ticki2 wrote:
Skipro 3 where did you find a weight rating for H2 wheels of 5000# ? The best estimate I have found was half that , no facts . Thanks

I got the info in a phone call to an Alcoa engineer. Nothing in writing although he told me that the stamped #'s inside the rim is a code. This is ONLY for the chromed aluminum wheels though. I do not know that any others are forged or not as I didn't ask him that. I did this many years ago, maybe in 2008 or so.
And just to pass along, the wheels do not fit the Dodge without mods. The center hub hole is too small. I had to deflate the tire in order to get the rim to sit flat at a milling station and mill the center hole larger. I don't remember the specs any more either. The hole pattern is the same and they are lug centric as is the Dodge truck.
ticki2
Explorer
Jan 08, 2018
Skipro 3 where did you find a weight rating for H2 wheels of 5000# ? The best estimate I have found was half that , no facts . Thanks
Ski_Pro_3
Explorer
Jan 08, 2018
125/122 is the tire load index and refers to the load rating of the tire. 125 denotes that each tire can carry 3638 pounds at the maximum inflation pressure. The second number (122) refers to the load rating on a single tire used in a dual rear wheel application. “R” refers to the tire’s speed rating. In this case, the tire is rated at 106 mph for continuous use. The higher the letter, the faster the tire is rated to travel. R is nominally found on H.D. light truck tires.
K_Mac
Explorer
Jan 08, 2018
LOL, slid off into drift. Sorry for delay in response, was up in MA. helping family with the invading Atlantic. Thanks for all the Info. Should have listed OEM rims: Cast Alum. @ 3490#, Michelins LTX A/T2 275/70 R-18 @ 3640#. Door sticker lists (recommends) L/T 275/70 R 18 E 125/122 R. What does the 125/122 mean ? Thanks Again K.
bigjimcruising
Explorer
Jan 06, 2018
When I had my F450 with (at the time) the biggest camper on the market and it came time to fit new tires I went with the Toyo commercial traction tires all around. I was very pleased with their performance both on highway and off road. Other then the odd smell the first few months, which I've heard they have since fixed, I would consider them again in the large wheel sizes like you have.