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The QuadBoss QBT680 Mud UTV Tire 33x9.5-18 6 Ply is a bias-construction mud tire built for UTV riders who spend serious time in deep, wet terrain. QuadBoss designed it around a directional tread with aggressive tractor-style lugs and wide grooves that push mud clear and keep traction consistent. A continuous center rib smooths out the ride when conditions firm up.
This tire measures 33 inches in overall diameter, 9.5 inches in section width, and mounts on an 18-inch rim. The 18-inch rim diameter places it squarely in UTV territory, so confirm your wheels are 18 inches before ordering, and verify your fenders and suspension have clearance for the 33-inch overall diameter and the 9.5-inch section width. Six-ply bias construction gives solid puncture resistance for rough, rooted mud runs while keeping the sidewall compliant enough to absorb trail punishment, and the directional mud tread is at its best in soft, deep, or waterlogged ground.
| Brand | QuadBoss |
| MPN | 609800 |
| Vehicle Type | UTV / Side by Side |
| Model | QBT680 |
| Tread Type | Mud |
| Tire Size | 33x9.5-18 |
| Construction | Bias |
| Ply Rating | 6 ply |
| Overall Diameter | 33 in. |
| Section Width | 9.5 in. |
| Rim Diameter | 18 in. |
Not every product runs through our fitment finder, and we would rather you confirm exact fitment than rely on a partial filter. Match the specifications against your machine or the part you are replacing, or contact us and we will confirm it for you.
Ask a Parts Specialist →| Brand | QuadBoss |
|---|---|
| SKU: | 609800 |
| MPN | 609800 |
| UPC: | 887337354040 |
| Condition: | New |
| air_freight_prohibited | false |
| not_carb_approved | false |
| ltl_freight_required | false |
| prop_65 | Unknown |
| part_type | powersports |
| epa | N/A |
| carb_acknowledgement_required | false |
| regular_stock | t |
| units_per_sku | 1 |
| construction | Bias |
| directional | Yes |
| load index | 81.00 |
| ply rating | 6 |
| sidewall | BSW |
| tire diameter | 33.00 |
| tire model | QBT680 |
| speed rating | J |
| tire type | Mud-Terrain |
| wheel diameter | 18.00 |
| wheel position | Front;Rear |
| tire width | 9.50 |
| tube type | Tubeless |
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