2022 JCB, 55Z-1 Excavators, 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 weve ever built. Its highly productive, compact, agile, innovative and economical to own. Not only that but its very safe to operate and easy to service too.