600 x 6 wheel and brake kit has static capacity 1,500 lb, limit load 6000 lb. Weight per kit 18.50-lbs. Brake rating in kinetic energy capacity 200,000 ft-lb. Each kit contains 2: CWB40-113X wheel assemblies which include 2: CWB164-40 discs, and 2: CWB30-75X brake assemblies with 4 – CWB66-105 linings. Kit available with CWB164-40 chrome disc – #CWB199-105C. Uses AX6 – 1/12″ axles and MS21025-24 nut.