18x7.50-8 · 4 PlyOTR GrassMaster
Out of stock
12 sold last year · owner-operated since 2004
Free shipping · lower 48 · call for restock timing
For: Mower front · check your machine →
Call us to order it in:
216-202-4802We can usually get it in 1–2 weeks from the supplier. Mon–Fri 9–5 ET.
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- 30-day fitment guarantee — wrong size, send it back
- Manufacturer warranty where offered
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GrassMaster — 8 sizes
“We’ve been pulling these orders ourselves for 22 years. This one’s sold out at the moment — call and we’ll tell you exactly when it’s back.”
— Greater Cleveland Tire · since 2004
216-202-4802 · Mon–Fri 9–5 ET · a real person answers
Fits these machines
Standard fit: Front on residential lawn tractors — Kenda K500 SupTurf and similar OEM-equivalents.
Fits more machines than we list here — any machine that runs this size. Our fitment guides are growing.
Even when a size fits your model, it's not always 100% — machines vary by year, trim, and past tire swaps. Before ordering, double-check the size on the tire that's on your machine now, or your owner's manual. And if it's still wrong, our 30-day fitment guarantee has you covered.
Not sure it fits? Call the shop: 216-202-4802 — chances are we'll know it on sight.
The numbers· T187508001
Size & fit
- Size
- 18x7.50-8
- Rim diameter
- 8″
- Section width
- 7.5″
- Overall diameter
- 18″
Construction
- Ply rating
- 4 Ply
- Tread
- Turf
- Tube
- Tubeless
Load & wear
- Max load
- 805 lbs
- Weight
- 15 lb
- SKU / MPN
- T187508001
About this tire
The OTR GrassMaster in 18x7.50-8 is a turf-style lug tire for riding mowers and lawn equipment. The tread is cut for traction on grass while the rubber compound is built to wear slowly. It runs tubeless.
This is a 4-ply tire rated to 805 lbs at 10 mph. Overall diameter is 17.9 inches, section width is 7.56 inches, and it mounts on an 8x5.375 rim.
OTR is our value brand, a budget pick that holds up to regular mowing. Made in China. Sold individually; choose your quantity at checkout.
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