The model number might give us a clue as to who manufactured it, a picture would be better. MTD and others re badge for different customers.

this is what i get off it:
American Yard Products Inc.
Model: GM1442
MFG ID Number: GM 1442 A
its a 14HP OHV Briggs & Stratton
MODEL- 287707
TYPE- 021101
CODE- 9403084A HELP

1994 Craftsman. LOL. Seriously, AYP makes the majority of tractors for Sears so yours would be very similar except for paint and decals.An AYP parts dealer should be able to help.The engine code gives yy/mm/dd of manufacture.

I don't believe how lucky you are!

Go to-
http://www.m-and-d.com/parts.html
Click illustrated parts diagrams
Click parts look up
select Electrolux on the menu on the upper left
tractors
1994
GM1442A