Parker Rockranger 5250 for sale Used Parker . Parker Rockranger 5250 Jaw Crusher Mobile Primary Jaw Crusher, 42quot; x 20quot; / 1067 x 508 mm single toggle, Parker vibrating grizzly feeder, Feed hopper, diesel engine with clutch and v belt drive to crusher, Discharge conveyor (folds for transport) with electric motor, Twin axle mobile chassis, Hopper and feeder are good, although the