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I have a 1995 F350, 4x4 offroad. The tires that are on it now are Maxxus Mudders 315/75R16s. I am setting the truck up to tow my gooseneck horse trailer, and want to put somewhat smaller tires on it (closer to specs). The door calls for 235/85R16E. However, I don't want to go that narrow. I was thinking along the lines of a 265/75. From what I've read, I think I will be happiest with the Yokohama Geolander AT Plus II, but it doesn't come in the 265/75 with an E load rating. What is the difference between D and E load ratings, and would I be making a mistake in getting the D as opposed to E? The other two tires I liked were the Dunlop Radial Rover AT and the new brand Kumho Road Venture AT KL-41...but I can't find load rating info on either of those. Anyone wanna help a girl out?
D = 8 ply; E = 10 ply. D is abundant in more popular sizes. With E load ratings, the max pressure is usually 80 psi. D is usually about 60. Unless you're hauling heavy loads constantly, D is plenty adequate. My dad hauls his tractor and his 3-horse gooseneck with 33's with a max load of only 50 psi! You'll be just fine with a D rated tire.
Unless you didn't know, right now you're running a 35x12.50 (metric 315). 265 is a good size. A 285/75 is a good in between size too. It measures at about 33x11.00.
Thank you, threefiftyone! Tons of help. Yeah, I had broken out the handy dandy calculator and did the math (lots of head scratching, lip biting and cursing, I'm an English major) and I know I want something an inch or two lower to level out the trailer. All the Fords today seem to come out with 265s, which is a good size (my Mom's 250 runs that size), and I wanted something bigger than the 235 (one thing, looks tiny and two will look even tinier with the small lift kit on the truck). Thanks again, and those links come in handy!!
> my gooseneck horse trailer
> I liked were the Dunlop Radial Rover AT and the new brand Kumho Road Venture AT
If you want a E class tire and like these type treads, maybe a tire called Power King radial from MM tires in the class E range would be for you. It would be good in grass and slight mud (pasture), but, not deep clay mud.
I think these are * rated because they take studs. LT245/75r15 would be wider then stock, but, close to your stock tire height. Basically .10 shorter and .50 wider on stock six inch rims. Click on the spec link after clicking on the Power King link.
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