atm vsThe difference between ATM and GTM – 200kg in this case – is the amount being supported by the jockey wheel or towbar of the tow vehicle, otherwise known as ball weht. Therefore, payload capacity of a trailer isATM vs BAR Hhlhts, Copa del Rey semifinal 2nd leg: Ferran scores as Barcelona beats Atletico to reach final ATM vs BAR Hhlhts: Catch the hhlhts of the Atletico Madrid