Arguably, I should have built a whole new end beam, but replacing only the visible portion of the draft gear saved me from positioning eight bolts in two perfectly-aligned squares. It was a bit of a pyrrhic victory, however: assembling the shambles of shims and the mammoth metal plate that support the repositioned coupler and new draft gear took two full evenings.
Still, I think the lowered tender captures the proportions of the prototype better than before. I’m pleased with the result.