Adopt from Fathertime: Wisconsin Engine Manuel Titled: Wisconsin Air Cooled Heavy Duty Engines, Instruction Book and parts List, Models VH4 and VH4D, Issue MM 274-A Dated: 1940's ? Date not stated Comment: Includes section information on Zenith 68-7 series carburetor , Marvel Schebler TSX Carburetor and Wico Model XHG-4 Magneto andFairbanks Morse FM-X4b7 and FM -XZE4B7 magneto, Original Manuel Condition: Vintage Used, Tight, Complete, Decent for use Defects: Edges Wear, Some Use soiling, Printing on front cover states 4 Cyl Ditch Witch Control: 8791 Satisfaction: As with all Vintage items, Paper Ephemera condition is a personnel subjective assessment. I do not sell new paper, and you can not make a up close personnel evaluation so we offer a satisfaction guarantee. Please see Booth Details for Return Policy.