Tires- LT or ST

not agreeing with that at all. in the last 10 years I have had 1 ST failure (factory tire 6 years old) and 1 LT failure on my truck. both road debris issues in construction zones. but what I will concede is that the bottom of the barrel ST tires is what everyone is comparing their LT tires to, no one runs top tier ST tires and wishes they were running LT tires.

here is a good explanation of the differences and why you shouldn't run st on a car and why you shouldnt run lt on trailer

"Trailer Tire requirements differ greatly from automotive tires. Automotive tires must maintain traction during all driving conditions: pulling, stopping, turning, or swerving. Because of this they must have more flexible sidewalls to maintain tread to road contact. Since trailers have no driving torque applied to their axles, the only time trailer tires must have traction is during the application of trailer brakes.
Trailers with heavy loads, high vertical sideloads (like camper trailers), or trailers with inadequate tongue weight can be affected by trailer sway problems. Automotive bias or radial tires with their more flexible sidewalls can accentuate trailer sway problems, whereas the stiffer sidewalls of the ST (special trailer) bias ply tires help to control and reduce sway problems. For this reason it is not recommended that (P) Passenger or (LT) Light Truck tires be used on trailers. Best trailer control will be achieved with (ST) Special Trailer tires."

as for testing it is pretty much identical except for two tests, the P tires have one test that the ST does different, and the ST has a much more extreme full load test so how is that inferior, they are testing for two different things as neither is supposed to be used for the other.

I had a 35’ 5er and used 16” Michelin XPS Ribs LT tires to replace the OEM Chinese tires. Rated for 3,042 lbs which was fine for my trailer. I also live in Texas and towed in temps as high as 106 at 70 mph for hours at a time. 1st set lasted 9 yrs and replaced due to age even though they only had about 17,000 miles and still looked new. (Michelin says inspect yearly at 5 and replace at 10). Replaced with another set and sold it 4 yrs later. Never a flat or even a low tire. Added 2-4 lbs air at the start of the season and good until next year. But they are not cheap.

I have had excellent service from Maxxis and Goodyear ST tires on my 4500 lb TT and I use only LT tires on my tow truck (Ram 1500). At your weight for the TT I would use LT tires. Rolling, rolling, rolling

15" trailer wheels can come in 5 or 6 lug hubs. If you have 6 lug wheel your part way there.
I doubt you can find a 5 lug 16" trailer wheel. Trailer wheel need to have a zero off set.

My old 1997 11200 lb 5th wheel trailer came with 5200 lb axles/6 lugs and 15" ST225/75-15 D Marathons. Sold wheels/tires to a guy with a lawn service trailer.

I bought four 16" grey steel modular trailer wheels (1997) from my local commercial trailer mfg. I thought I had wheel well clearance issues so went to a LT225/75-16 E at 2680 lbs. Next sets have been a bit taller in a LT215/85-16 E at 2680 lbs. Run all my LT E tires on rv and non rv trailers at max 80 psi.

The taller (32" dia) LT235/85-16 E at 3042 lbs capacity works better on heavier trailers with loaded 5.2k...6k axles.

LT tires that their mfg has recommended to me for my trailer use are;;
Cooper Discoverer HT-3
Bridgestone R-238 all steel ply carcass commercial grade
Michelin XPS Rib commercial grade all steel ply carcass
Goodyear Wrangler HT
BFG Commercial A/T 2
Firestone Transforce HT

Be sure and make your wheel well measurements first for proper clearance issues.

GY Endurance or Carlisle Radial Trail HD are both quality speed rated ST tires.
LT should hold up well in all conditions.

Either way make sure the tires are load rated for the entire trailer GVWR.

Michelin XPS Ribs

I run LTs on all my trailers except the Fifth wheel, it has MTs on it.

time2roll wrote:
GY Endurance or Carlisle Radial Trail HD are both quality speed rated ST tires.
.

I get a kick out of that every time I see it. Carlisle tires are one of the cheapest tires where I live and every tire shop steers you away from them as they have had to many issues with them, but down there everyone seems to love them.

As for endurance, I am sure they are great but at almost 450.00/tire they are not one I'll ever buy...

eHoefler wrote:
I run LTs on all my trailers except the Fifth wheel, it has MTs on it.

Mud terrains?