Description
Americana part 31138 is a ready-to-use trailer tire-and-wheel combination, not a loose replacement tire. A radial ST205/75R15 tire is installed on a white welded-steel wheel measuring 15 inches in diameter and 5 inches wide. The wheel uses a five-bolt, five-inch circle, making the exact hub pattern essential when replacing a trailer assembly.
Published technical data describes a load-range C tire with an 1,820-pound tire capacity, alongside a 2,150-pound wheel rating. The usable combination is governed by its limiting component and the trailer axle. Check the bolt pattern, wheel clearance, required inflation and lug seats before installing this individual mounted assembly.
Exact-part specifications
| Manufacturer SKU | 31138 |
|---|---|
| Selling unit | One mounted trailer tire-and-wheel assembly |
| Tire size | ST205/75R15 |
| Tire construction | Radial, load range C |
| Wheel dimensions | 15 x 5 inches |
| Wheel construction | White painted welded steel |
| Bolt pattern | 5 x 5.0 in (5 x 127 mm) |
| Published tire load | 1,820 lb maximum |
| Published wheel capacity | 2,150 lb |
| Maximum tire inflation | 50 PSI |
Fitment and installation checks
Confirm trailer hub five-on-five bolt pattern, offset, lug seat, pilot clearance and tire size before installation. Tire and wheel are rated independently; the combination must not exceed the lowest applicable load capacity and the trailer axle specifications.
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