This is my version of the Allegheny 2-6-6-6. Note that the tender is also scaled similarly. There has been selective scaling in my model to bring it down to Lego scale. The HO version of the Allegheny is 17" long, where as the Lego version (close to "O" scale) should be about 34" long, mine is only 29" long with tender (about 6 track lengths). My model is mostly 7 studs wide with a maximum width at the driver wheels of just under 10 studs. The boiler is 6 studs wide and the white stripe is entirely 1x2 jumpers so everything below the stripe is 7 studs wide.
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