If I were you I would not waste my money on a craftsman product. I have the exact model you are asking about and it lasted for about 13 months. Now it won't start and the cost to repair is as much as the original cost.
0.020 in or 0.50mm
Fuel mixture is 16:1
http://www.searspartsdirect.com/partsdirect/part-model/Craftsman-Parts/Grass-trimmer-weed-wacker-Parts/Model-536773510/0247/1503820?searchedModel=536.7735.100&blt=
Go to Sears.com, then at the top of the page, click on Parts Direct. A box will appear where you can enter the Model #. On the page that comes up, click "View Manual". A .pdf file will open which you can save to your computer.
Read the owners manual in the link below. It will explain how to restring the trimmer.
Railroad Model Craftsman was created in 1933.
40:1 is the correct mixture for the fuel and 2 cycle oil. 3 oz. of 2 cycle oil per gallon of gas. I have Craftsman Line Trimmer 358.795190 (Model #). It has the quick release shaft for other attachments. Hopefully this will help you.
Depends on the Model of stihl trimmer you have. The 45 home trimmer from stihl takes .080 but from that model to the larger more expensive ones the string size gets larger.
My craftsman wheeled weedtrimmer (6.0 quantum Briggs and stratton engine; model 917.773704) uses SAE 30 (above 32 degrees F) and SAE 5W-30 (below 32 degrees F). It has 20 oz. capacity.
Assy-Fuel Pickup HasCome Loose From Fuel Line
A manual for the Craftsman lawnmower model 944.607853 can be ordered from the Craftsman company. Another option is to contact the store where the lawnmower was purchased and have them order a manual.
SRM2301