Wheels & Tires

TRIPOWER 18x9.50-8 Lawn Mower Tires - 18x9.50x8 Tires for Garden Tractor and Golf Cart, 4PR Tubeless, 1040 lbs Capacity, 1 Pack

4.7/5 (22 reviews)
$59.99
TRIPOWER 18x9.50-8 Lawn Mower Tires - 18x9.50x8 Tires for Garden Tractor and Golf Cart, 4PR Tubeless, 1040 lbs Capacity, 1 Pack
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What It Is

The TRIPOWER 18x9.50-8 tire is a 4-ply rated, tubeless replacement tire designed for garden tractors, zero-turn mowers, and golf carts. It offers a 1,040 lbs load capacity per tire, making it suitable for medium-duty residential or light commercial use on turf or gravel.

Fitment & Compatibility

Before buying, confirm your current tire size is exactly 18x9.50-8 (also written as 18x9.50x8 or 18-9.50-8). Measure the outer diameter (should be ~18 inches) and tread width (~9.5 inches). This tire fits 8-inch diameter rims; check that your rim width falls within the recommended range (typically 6-8 inches). It is not a direct OEM replacement for all brands—verify lug pattern and offset if using on a specific model like a John Deere, Cub Cadet, or Toro. For golf carts, ensure the wheel hub matches the tire’s center hole size (usually 3/4” or 5/8”). This is a 4PR (4-ply rating) tire, not a 6PR; if you need heavier duty, look for a 6-ply version.

Key Things to Know

  • Load capacity: 1,040 lbs per tire is adequate for most garden tractors and golf carts, but avoid overloading (e.g., heavy attachments or passengers on a cart).
  • Installation: Tubeless, but you may need a bead sealer or inner tube if the rim is corroded or out-of-round. Mounting requires tire irons or a machine; not a simple hand-fit.
  • Tread design: The tread is a general-purpose turf/utility pattern—not aggressive enough for mud or snow, but fine for grass, gravel, and pavement. Expect moderate wear under frequent use.
  • Common gotcha: Check the valve stem orientation and clearance on your machine; some mower decks or frame brackets may rub if the tire is slightly wider than OEM.

Should You Buy It

If you need a reliable, budget-friendly replacement for a worn 18x9.50-8 tire on a garden tractor or golf cart for light to medium use on turf or hard surfaces, this is a solid choice. It’s not for heavy off-road or commercial-duty jobs—opt for a 6-ply or specialty tire if you need more puncture resistance or traction.

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