Tire Tread: Rib, Tire Size: 13x5.00-6, Ply: 4, Rim Size: 6", Max PSI: 40, Max Load Capacity: 440, Type: Tubeless, Designed for minimum soil disturbance and easy steering, K401, Offers outstanding flotation and better mobility with a minimal amount of ground compaction, Designed to meet the demands of the outdoor power equipment industry, Tread designed for variety of terrain, Provides the greatest amount of traction with the least amount of turf damage.