pioneer / kolberg ft 42 x 40 track impact crusher ... Used Kolberg Pioneer FT4250 Impact Crusher: ... PIONEER FT 4240 TRACK IMPACT CRUSHER Pioneer 42" x 40" Variable Speed ... Pioneer 40" x 22" Triple Roll Crusher ... » More; pioneer 4240 crusher | worldcrushers. Pioneer 4030 Triple Roll Crusher, pioneer ... Pioneer/Kolberg FT 42 X 40 Track ...