E rated tire for towing?
12-12-2018, 02:30 PM
#11
Great tire info, thank Smokey!
12-12-2018, 10:58 PM
#12
My 13 had 113 load index wrangler 275/65 18 inch p series tires on it from the factory, but I replaced it with 275/65 18 inch 116 load index mastercraft HSX tires. They were rated at 2756 per tire, and handled towing my GN beautifully and rode nice when empty. My 2016 dually has 17 inch load range E on it from the factory. I think E range tires are way overkill for a 150.
12-13-2018, 12:14 PM
#13
Grumpy Old Man
The load index in that link goes from 70 = 739 pounds for itty bitty cars to 126 = 3748 pounds for big SRW trucks. The speed symbols go from L=75 MPH for puddle jumpers to Y = 186 MPH for race cars. There are a lot of load ratings and speed symbols in those charts that do not apply to an F-150 tow vehicle, so I didn't include them in the earlier post.
Last edited by smokeywren; 12-13-2018 at 12:32 PM.
12-13-2018, 04:40 PM
#14
Senior Member
You don't NEED an "E" rated tire. A "P" rated tire is good for more weight than your truck is rated for. But other than costs there isn't much downside. You can experiment with different tire pressures and get about the same ride and fuel mileage with any of them. I currently have "E" tires on a Tacoma and with the right air pressure the ride is the same as before and there was no loss of fuel mileage compared to the older "P" series tires on it. My F-150 has "P" rated tires because that is what was on it. I'll be going to "E" rated tires next time. I don't need them for the payload, but they are a tougher tire for off road driving and the extra strength is worth the cost to me.
Most people don't use 10, 6, or 4 ply to describe tires anymore. Instead most refer to them as "P" rated or LT tires in "C","D", or E rating. A "P" series tire is rated for the same payload as an LT tire in a "D" rating. Going to a "C" rated tire in an LT would be a lighter duty tire than the "P"s that came from the factory. The "C" rated, or 4 ply tires are meant for lightweight SUV's like Jeep Wranglers instead of trucks.
If I weren't going to stay with "E" rated tires I'd save some money and buy "P" series.
Most people don't use 10, 6, or 4 ply to describe tires anymore. Instead most refer to them as "P" rated or LT tires in "C","D", or E rating. A "P" series tire is rated for the same payload as an LT tire in a "D" rating. Going to a "C" rated tire in an LT would be a lighter duty tire than the "P"s that came from the factory. The "C" rated, or 4 ply tires are meant for lightweight SUV's like Jeep Wranglers instead of trucks.
If I weren't going to stay with "E" rated tires I'd save some money and buy "P" series.
https://www.toyotires.com/media/2125...s_20170203.pdf
12-13-2018, 05:37 PM
#15
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I installed 285-60 r20's on my truck. They fit great as I have a 2 inch level. They are E rated. They are 33.5 inches in diameter. They hold 3640 at 80 psi. I like the 285/60 r20s because that appears to be the next size up for an E rated tire.
12-14-2018, 10:21 AM
#19
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Lol yes there is. Look at the side of an LT tire. It will tell you exactly how many plys and what type of material is used. My wife and father in law have a tire business. So I’d do a bit more research.
12-14-2018, 01:54 PM
#20
Senior Member
...and most Load Range E tires ("10-ply-rated") have two-ply or three-ply construction. So referring to them as "10-ply" tires is anachronistic and not accurate. "10-ply-rated" is likely accurate but misleading; "10-ply" is factually incorrect.
