Larger spoil tank capacity to stay on site longer ( less dumping and down time) Twin gurneys (double the production) 100 litre a minute pump a 2750 psi (has enough water volume to run gun with double nozzles) 32 litre a minute water pump governed at 3000 psi 1700 cfm blower running 6 inch boom Extra water capacity able to hold 4000 litres of water Double silencer running at 85 dba 8x8 wheel drive (Multiple choice of 2,4,6 or 8 wheel drive)Can travel through water of 1.4m in depth 2 cubic meter hydraulic side tipper Fully mine spec.