Charlie,

My Jan 1952 ORER has NWX 70000-70650 503 cars, 40-0 over strikers, 4' x6' doors, 1944 cuft, 8000 capy.

No other dimensional data listed, but  that was typical in the Private Car Owners section of the ORER.

Westerfield has a model of this car - see
https://id18538.securedata.net/westerfieldmodels.com/merchantmanager/index.php?cPath=128_418

Todd Sullivan