Z-30w rock loader is used to load the rock, ore when the explosive blows up the big rock or ore. Loading materials: gold, non-ferrous metal, black metal, nonmetal, and rock, ore, and etc. The max. Diameter of the medium is 500mm. When the diameter is 250mm, the loading efficiency is best. It runs on the railway track, so the wheel gauge is 600mm in normal, when the gauge is 762mm, 900mm, or others, pls tell in advance. 11. Bucket promoting speed: 0.46-0.71m/s 12. Weight: 4500kg