American Locomotive Company Builders plate Diesel Engine NKP S-4 #72 Switcher
Mcintosh & Seymour 4 Cycle Engine. 6-12 1/2x13 39 eng #6241 1000Hp diesel engine plate for NKP S-4 #72 Switcher. this is the builders plate attached to the engine block. later went to N&W as there 2072.