CURT Class 3 Trailer Hitch Bundle with Wiring for Ford Crown Victoria, Grand Marquis - 13707 & 55326 This bundle contains CURT Hitch Number 13707 and Wiring Number 55326 Hitch Components: Hitch only; Wiring Type: Custom Vehicle-to-Trailer Wiring Harness 2 in. receiver tube opening Weight Carrying Capacity (WC): 4000 LB; Tongue Weight (TW): 400 LB Made in USA - Backed by limited lifetime warranty