| This looks like it was freshly delivered from Alco-Schenectady in 1910. Not a spot of road grime has touched even the whitewalls! Specs - class P-31, 73" drivers, 185 psi boiler pressure, 23x28" cylinders, engine weight of 227,000 lb, tractive effort of 31,907 lb. Superheated by the CRIP shops around 1917. Retirements started in 1936 but some lasted until 1953. Robert Graham photo |