Kenda Trailer Tire - 6-Ply Rated/Load Range C - 4.80/4.00-8, Tire Construction: Bias, Tire Ply: 6, Tire Size: 4.80/4.00-8, Tire Type: Trailer 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: 745lbs @ 90psi Overall Diameter: 16.70in.