The model number will be on the machine either on a plate or engraved into the machine housing. Many older models the number is on the front bottom. If the machine is installed in a case you will have to tilt the machine back to see the model plate.
What year is my Kenmore sewing machine?
The best way to find out when your Kenmore sewing machine was made, is to find the model number. For example, if your version says 117.101 then it was made in 1934. If it says 117.123 then it was made in 1939.
How old is my Kenmore sewing machine model 385?
The sewing machines that have model numbers beginning with 385. . . were first manufactured in 1965. The model that you have was likely manufactured sometime between 1965 and 1987.
How old is a Kenmore sewing machine model 158?
Kenmore 158
The 158 models were manufactured in the 60s and 70s by overseas companies, then marketed and sold under the Kenmore brand. Users describe these models as so simple that a child could easily figure them out!
Where do I find the model number on my sewing machine?
For sewing machines manufactured since about 1990, look for the model number on the handwheel side of the machine near the on/off switch or the electric cord receptacle. You will find the model number on the front panel of machines manufactured in the 1970s and 1980s.