Curt 13390-56040 Trailer Hitch and Wiring Package This bundle contains CURT Hitch Number 13390 and Wiring Number 56040 Hitch Components: Hitch only; Wiring Type: Custom Original Equipment Vehicle-to-Trailer Connector 2 in. receiver tube opening Weight Carrying Capacity (WC): 4000 LB; Tongue Weight (TW): 600 LB Made in USA - Backed by limited lifetime warranty