I have one...$ 25.00 plus shipping base60@gmail.com
You can get it here:
Try searspartsdirect.com
The owner's manual for the Sears Garden Tractor model number 917255910 can be viewed on the official Sears Parts Direct website. This is an 18 horsepower tractor.
Th owners manual is at the link below, if that will help.
The best place to find a John Deere Model A tractor would be on the official John Deere site. Their site would give one information on where a tractor can be purchased.
You should be able to order a owners manual from your local John Deere dealer or you can order it off the John Deere website, in your case the commercial division. You will need to know exact model number and serial number to insure youacquirethe correct one.
Managemyhome.com with your model number
The John Deere 850 is a compact tractor and the most recent model available is John Deere Z850A. This newer model offers more horsepower and hitching capability compared to the John Deere 850.
The most successful tractor model built by John Deere was the Dain All-Wheel-Drive. The most successful two-cylinder tractor produced by John Deere was the model A. The 730 was also very popular, as was the 4020.
Go to www.searspartsdirect.com and put in model number 917272220 (that is the model number of the LT 1750 Limited Edition Lawn Tractor). Search for the owners manual. If you register with the sears website you can download an adobe acrobat file (.pdf) of the owners manual for free.
Go to the sears web site and enter you model number they have PDf's for these.
Unfortunately the model number you gave it not listed any where. It looks like a serial number. The Craftsman tractor model numbers are like this example :- "CRCRA17542"