Launched in 2017 as the only 15-tonne class tracked excavator to meet Tier 4 final with no need for Adblue or a DPF, the JCB JZ141 was designed for rental and contracting operators. The tail swing is some 29% shorter than a conventional machine in its class. A smaller, 55kW output from the EcoMax 444 engine using a higher flow hydraulic pump menas lower engine revs, better economy and less noise.