Exactrail Evolution EE1726-4 HO Scale Evans 4780 Covered Hopper OKKT 3199 O PC An introduction to engineering –

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Exactrail Evolution EE1726-4 HO Scale Evans 4780 Covered Hopper OKKT 3199 O PC An introduction to engineering –Exactrail Evolution EE1726 4 HO Scale Evans 4780 Covered Hopper OKKT 3199 Distinguished by its unique Youngstown corrugated roof, the Evans 4780 Covered Hopper is a common prototype with uncommon features. Beginning with the first production order in December of 1976, Evans produced over 4,000 hoppers during the five year production period. Popular among Nebraska cooperatives and lessees, the Evans 4780 has plied the rails everywhere in North America.