The Sailun S637T is an all-steel highway rib tire engineered for trailer use, including RVs, fifth-wheel units, horse trailers, utility trailers and boat haulers. Its full steel-belted casing gives strength, load capacity and straight tracking.
A five-rib tread supports stability under load, multi-sipes help wet traction and heat dissipation, and a solid shoulder resists irregular wear.
This 235/85R16 light truck size carries a 132L load and speed rating, load range G. It has 12/32-inch tread depth, a 110 psi maximum inflation pressure and an overall diameter of about 31.7 inches.
| Tire size | 235/85R16 |
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| Tire load index | 132 |
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| Tire speed rating | L |
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| Tire load range | G |
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| Tire season | All-Season |
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| Tire terrain | Highway Terrain |
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| Tire sidewall style | Black Sidewall |
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| Tread depth | 12/32 |
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| Overall diameter | 31.7 in |
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| Manufacturer | Sailun |
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| Tire width | 235 mm |
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| Vehicle fitment type | Specific |
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| Is run flat | N |
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| Vehicle type | Trailer |
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| Construction type | Radial |
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| Electric vehicle tire | N |
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| Automotive parts division | Direct Replacement |
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| Wheel diameter | 16 in |
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| Flotation tire | N |
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| Features | Heavy-Duty |
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| Items included | Tire Only, Rim Not Included |
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| Total count | 1 |
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| Tire location | Front and Rear Tires |
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| Tire diameter | 16 in |
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| Tire type | Trailer Tires |
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| Model | S637T 5540993 |
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| Maximum inflation pressure | 110 psi |
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| Tire aspect ratio | 85 |
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Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.
