2024 JCB, 50Z-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 mini diggers like the new 50Z-1 have been developed to exceed even your most exacting demands. Put simply, this is one of the strongest and highest performing mini 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.