"Free Shipping" Mack entered the railway equipment business in 1905. After 18 years of producing single axle Rail Buses, the model ACX was introduced. The ACX featured a rear four wheel power truck and trademark Bulldog Hood. 09200 Rail Bus - Rio Grande Southern - Silver Reg Price: $268.50 Our Price: $240.95 09201 Rail Bus - Undecorated - Green Reg Price: $268.50 Our Price: $240.95 09252 Rail Bus & Trailer Set - D&RG - Yellow Reg Price: $268.50 Our Price: $240.95 Family Owned & Operated ourhousehawaii@yahoo.com