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This is an HO-Scale (1:87) under-frame designed by the request of the NMRA to fit a Roundhouse box car shell. The under-frame measures 33mm wide by 174mm long and has mounting holes for trucks, couplers (fits Kadee), and details. The under-frame also has mounting tabs that mate with the Roundhouse shell. The chassis is available in either gray ABS plastic. Package includes one (1) under-frame in the selected color. 3D printed and shipped by CatzPaw.
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🇺🇸 Ship from USA · On Agora since 2026
$7.49