Feb 15, 2018· Rock Crusher | Equipment Company. This small, but powerful little crusher will hook right up to your 3/4 ton or larger truck. Feed up to 8″ size pieces of material. This portable jaw crusher can crush RC construction machine in 1:8 scale! Excavator Atlas and rock . Dec 23, 2014 in 1:8 scale! Excavator Atlas and rock crusher in action! .