product info
Gladiator QR40ST
For a tire with a warrior’s spirit, look to the Gladiator QR40ST, a steer/all position tire for commercial and highway use.
Gladiator QR40ST Features
A tire that’s tough enough to fight in the colosseum, the Gladiator QR40ST is here to give your commercial vehicle a fighting chance. Get a tire that can keep up with you and all the hard work you do. Outfit your commercial vehicle with a set of Gladiator QR40ST tires.
Built with a rugged, durable steel-belted carcass, the QR40ST is carefully engineered to be tough enough to tackle anything that comes your way. As an added bonus, this rugged design also ensures highway stability, even under a heavy load as well as uniform wear for the life of the tire.
Other performance features of the QR40ST include:
- Five-rib tread pattern that ensures resistance to uneven wear and dependable highway performance in any weather.
- Confident, controlled handling on the highway is provided by the closed, solid shoulder blocks, which also help cancel out road noise for a reasonably quiet ride.
- Sipes on the intermediate and center ribs ensure biting grip in adverse weather conditions, as well as resistance against uneven treadwear.
- Confident traction in wet weather is provided by the four wide circumferential grooves.
Gladiator QR40ST Treadwear and Warranty
Designed to be the start and stop of rugged durability for your box truck, RV or other heavy duty commercial vehicle, the Gladiator QR40ST is built with a tough rubber compound that doesn’t just resist cuts, chips and tears, it also resists uneven treadwear. Meanwhile, its five-rib tread pattern and siped intermediate ribs provide even further resistance to irregular wear.
That means the QR40ST is purpose built to ensure a long-lasting tread life, so you can keep up with your busy work schedule. While not covered by a conventional mileage warranty, you can get the most robust protection available for your new QR40ST: our exclusive Certificates. If covered, your tires will be protected all the way down to 3/32” of wear.
In the extremely unlikely event your QR40ST tires fail, you’ll get a brand new replacement if it can’t be safely repaired.
(You can add our Certificate coverage in your cart!)
Go to battle with the workday and win by outfitting your commercial vehicle with a set of Gladiator QR40ST commercial tires.
UNIFORM TIRE QUALITY GRADE (UTQG)Uniform Tire Quality Grade
| SECTION WIDTH Measures the width of the tire from sidewall to sidewall, which is mounted on a wheel and inflated. | 225 |
| ASPECT RATIO Determines the sidewall height of the tire, based on the width. | 70 |
| RIM DIAMETER Measures the rim size from top to bottom (in inches). | 19.5" |
| OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated. | 31.9" |
| RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on. | 6.0" - 6.8" |
| WEIGHT The weight of the tire measured in pounds (weight of tire only). | 58 LBS |
| TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom. | 16/32" |
| LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart. | 128 |
| LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating. | G |
| MAX PSI The max psi is the highest pressure the tire can hold, but should be inflated to your vehicle specifications not exceeding this amount. | 110 PSI |
| SPEED RATING Designation from laboratory testing to determine the maximum speed the tire can travel. Maintain the same speed rating or higher for replacement. | Up to 81 mph |
| SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall. | Black Side Wall |
| VPN Vendor Product Number | 1933312195 |
| GTIN Global Trade Item Number | 844402044275 |