A pair of bolster/ stub sill/ coupler box assemblies for an HO scale DOT-111A100W2 sulphuric acid tank car, CGTX 70426-70448, built by Hawker- Siddley in 1968. Sized for 1" conduit tubing as the tank, which is extremely close to the prototype size, and to fit Kadee #5 or #58 couplers. Coupler height will be perfect with any truck meeting the NMRA RP-21 standard for bolster height.
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