Athearn RTR 1390 HO Scale Bathtub Gondola w/Load Salt River SPRX 3-Pack #1 Roadname_Sounder - SDRX 3-gear Laydown Stealth(R) transmission assembly

3-gear Laydown Stealth(R) transmission assembly for optimal mass balance on high-grip clay track surfaces

along with the bottom “Kass” step tread on each corner

Rail Line: Baltimore & Ohio

The latest addition to Atlas' highly regarded track line comes with Code 65 rail

Separately-applied end ladders

Athearn RTR 1390 HO Scale Bathtub Gondola w/Load Salt River SPRX 3-Pack #1 Roadname_Sounder - SDRX 3-gear Laydown Stealth(R) transmission assemblyAthearn RTR 1390 HO Scale Bathtub Gondola w Load Salt River SPRX 3 Pack #1 With the advent of rotary dumpers, the bathtub gondola allowed the railroads to haul more bulk cargo per carload than conventional open top hoppers. The absence of unloading gates and other appliances that affect internal capacity allowed for additional capacity per car. This improved transportation efficiency for these assigned service cars. The term Bathtub gondola is due to