Rock Crusher - Feed The Beast Wiki - FTB ForumsJan 31, 2017 . The Rock Crusher is 2x2x3 multiblock structure added by Railcraft, used . If you have IndustrialCraft installed, the crusher will also be able to.rock crusher industrial craft,Rock Crusher | The Tekkit Classic Wiki | Fandom powered by WikiaThe Rock Crusher' is a 3x2x2 structure for processing various materials. . Industrial Craft 2 . A rock crusher will require energy if BuildCraft is installed on the.