2020 JCB 55Z-1, Tracked excavators have been a part of the JCB manufacturing family for over 50 years. Using all of this experience and insight, our latest compact excavators like the 55Z-1 have been developed to exceed even your most exacting demands. Put simply, this is one of the strongest and highest performing compact excavators we ve ever built. It s highly productive, compact, agile, innovative and economical to own. Not only that but it s very safe to operate and easy to service too.