Bowser 55346 HO Scale 40' X31 Round Roof Boxcar Kit Norfolk & Western N&W #'s Vary - NOS Teton 7" Tires (10197-203) and is

7" Tires (10197-203) and is designed to be super lightweight and narrow for maximum performance

rather than on top of the spans

Number of Cells:: 2-4S LiPo

Bearings for diff cover 2pcs

For Bachmann Spectrum HO 3-Truck Shay

Bowser 55346 HO Scale 40' X31 Round Roof Boxcar Kit Norfolk & Western N&W #'s Vary - NOS Teton 7" Tires (10197-203) and isBowser 55346 HO Scale 40' X31 Round Roof Boxcar Kit Norfolk & Western N&W #'s Vary NOS (New Old Stock) The PRR Class X 31 box cars had a novel roof design named the "round roof" or "wagon top." By curving the roof sheets to meet the eave bar vertically (leaving a 4" inset on the edge) the cars had an inside height of 10'. The X 31's were used primarily to transport new automobiles or auto parts. The majority of X 31's were first built in January 1933.