Bowser Manufacturing Co.
3-Bay Cylindrical Covered Hopper

International Minerals & Chemicals
Walthers Part # 6-37327, p. 70 Walthers 2011 N&Z Scale Reference
N scale, $12.95, sold out at Walthers

 
Cars are gray with appropriate graphics unless noted and come equipped with standard N (Rapido-type) couplers.