OTR Grassmaster Tire Series is our most popular tire. The OTR Grassmaster provides exceptional turf-friendly performance for zero-turn, riding, and stand-up lawn mowers. Its unique S-shaped tread design optimizes ground contact for superior traction; it won’t damage lawns even when making sharp turns and maneuvering on slopes
Tire Size: 18 X 9.50 X 8
4-Ply
Rim Size: 8 X 7
Load: 850 @ 10 MPH
PSI: 22
Tire Weight: 12 lbs