A Pacific type (4-6-2) Class H-3 locomotive, #736 was built at Alco’s Schenectady, NY, works in 1913 at a cost of $24,587 for the Minneapolis, St. Paul & Sault Ste. Marie Railway Company, more generally known as the Soo Line.
With Walschaert valve gear and 25” x 26” cylinders, it has an engine wheelbase of
34’ 7” and driver wheelbase of 13’ 6” and weighs 277,570 lbs, 171,960 on its 75” drivers. The grate is 52.75 sq ft and the firebox 207.4 sq ft. Total heating surface
is 4,197 sq ft, including 805 sq ft superheating.
A coal burner operating at a boiler pressure of 200 psi, #736 delivered 36,833 lbs tractive effort.