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: 23 X 9.50 X12
4-Ply
Rim Size: 12 X 7
Load: 1230 @ 10 MPH
PSI: 24