Kenda Trailer Tire/Wheel Assembly - 4-Ply Rated/Load Range B - 4.80-8 - 4 Hole Rim 30000 The tires used for your application must have a load index and speed rating equal to or greater than the tires fitted as original equipment. The best selection of tire/wheel assemblies and tires to keep your trailer on the road Available as tire/wheel assemblies or tires only Load Capacity: 590lbs @ 60psi Overall Diameter: 16.25in.