ATM, GTM, GVM and Tare mass – they’re all terms that get thrown around in relation to caravan weights, including by us here at Caravan World. The terms are largely understood by experienced caravanners, however, from reader letters, queries, anecdotal evidence, online forum comments, and my own experience, it’s clear there’s still a lot of misunderstandings out there!
In addition to that, there’s a bit of a new kid on the block – Gross Combined Mass (GCM). It’s actually not new at all, but, until recently, the only people who really needed to consider GCM were those who tow fifth-wheelers, which is an incredibly small portion of the Australian RV market. However, since the recent market explosion of utes with very high towing capacities around 3500kg, GCM has quickly become…
