Monday, August 6, 2012

1957 Diamond T Model 630 "Off Highway" Dump Truck and 1959 Koehring Heavy Duty Road Paver

The two single largest pieces on permenant display at the Sioux City Public Museum are the 1957 Diamond T Model 630 "Off Highway" Dump Truck and the 1959 Koehring Heavy Duty Road Paver. These machines helped build the Eisenhower Interstate System, Iowa state highways and local Sioux City roadways.


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