... 30tons 3. wheel gauge: 600,etc Mine car wheel sets factory.1. material: cast steel or cast iron 2. constitute ... capacity: 1-25tons, each one is ok.4. wheel sets gauge: 600mm, 762mm, 900mm, and etc.5. the ... type of the wheels: hollow wheel sets and solid wheel sets.6.the diameter of the wheels: 300mm ... mine car, mining car wheels, wheel pairs, wheel sets, U channel steel beam arch, mining light steel ...