1976 koehring 20 ton crane with drag line bucket will pick up 30,000 pounds has a 5/8 yard bucket on it now for dragline work Powered by 3-71 Detroit diesel have paperwork for the out of frame rebuild about 3 years ago tracks are in good shape, all clutches and brakes work , tracks good and steers good. Have parts for power down for the boom. Has 70 feet of boom on it now came from Iowa that used it for pile driving . Located near chester Nebraska