HO Bowser H21 Hopper Car Union H21a 4-Bay Clamshell Road #15044 - 43063 Figure-rise Navy-blue grip features an embossed

Navy-blue grip features an embossed print

The tail boom structure is reinforced to withstand 23-mm projectiles

Light Gray

is the highly improved Mi-8

Model Brief Fuselage - Length: 344 mm

HO Bowser H21 Hopper Car Union H21a 4-Bay Clamshell Road #15044 - 43063 Figure-rise Navy-blue grip features an embossed1911 thru 1917 70 ton H21a "quad" hoppers were introduced for coal service. During 1922 and 1923 all early H21 hoppers were converted to H21a's by replacing the 50 ton trucks with 70 ton trucks equipping them for coal service and bringing the total to 36,000 H21a hopper cars. The original 1909 thru 1930 quad hoppers were built with the "old style" double door hopper. During the 1930's and early 1940's all old style double door hoppers were replaced