AL-KO Coupling 6000kg 75mm Fixed Ring 4 Hole Suit Pintle Annexe Matting Single locating pin that fits

Single locating pin that fits thru one wheel stud hole (any stud pattern)

the Sullage hose connects to your RV's waste water outlet

Full extension

Each coupling comes with 2 keys

AL-KO Coupling 6000kg 75mm Fixed Ring 4 Hole Suit Pintle Annexe Matting Single locating pin that fitsRing Type Couplings This style of coupling is similar in function to ball type couplings (fixed and over ride ) but instead of the connection to the tow vehicle being a standard 50 mm ball, the connection is a 75 mm inside diameter ring and this attaches to a pintle hook fitted to the tow vehicle These types of couplings are primarily used in applications where the tow vehicle is a heavy commercial truck As the Australian Standard AS 4177 states the