Identify Singer Sewing Machine By Serial Number

12/24/2021by admin
  1. Includes: identifying antique includes: 301, 000 years old. Ismacs singer sewing machines, this page is by their serial number to clean and night dress.
  2. To identify and date your sewing machine, look up the serial number on a chart like the free. Singer sewing machines were constantly improved and updated.
  3. Aug 2, 2018 - The first sewing machines were made of bone or animal horn over. Note that Singers from 1960 onwards mostly have their model numbers.

This is a visual guide to identifying certain black, cast-iron vintage Singer machines: The 66, 99, 201, 206, and 15 both potted and belted. These are the models I find to be most common in my area (NYC).
The excellent online Singer identification guide from Sandman Collectibles is the current gold standard for identifying vintage Singer machines. It asks you to check off a list of features seen on your machine, narrowing it down until you arrive at the model number. It's predicated on having the machine in front of you, where you can see everything clearly.

Dating your machine is quite easy -- locate the serial number and correlate it to these. Singer Featherweight 221 222 221K 221J Serial Numbers & Date Charts. Leo's Featherweight 221 Factory site as well as's site.

But what if you're looking at a tiny, dark, poorly shot, grainy, out-of-focus photo on Craigslist or eBay and can't answer all of the questions asked by the Sandman page? This will help SOME of you (please read the caveat at the bottom of this entry) to look at a Craigslist photo and figure out if it's the model you're looking for or not. In general I don't look for common technical details like where the tension dial is or what side the light is on; I just look at the overall lines of the machine and a couple of clues that show up no matter how crappy the photo.
Case in point--the other day I clicked on a Craigslist ad saying only 'Singer sewing machine' and saw this photo:
The photo's small, dark, shot from a weird angle and shows no detail, but I immediately knew it was a model 99. (I later e-mailed the woman and she confirmed it.) How did I know? You'll find out in this series of entries.
You can learn to identify different models of Singer, even through lousy photos, by a series of curves and visual clues. First I'm going to start with the model 15 because that has the most distinctive 'lines,' if you know where to look. When trying to identify a Singer from a crappy photo, the first thing I do is rule out whether it is or isn't a model 15.
Most photos, no matter how bad, will reveal the top line of the machine. (Some don't, I'll cover that later in this series.) And on every Singer model, the topmost profile line of the machine features a line that descends from right to left--what I'll call the 'runway'--tapering down to a pinched waist before ramping back up into what I'll call the 'ski jump.' I'll call the bottom of the arm the 'undercurve,' and I'll also ask you to note the 'pillar line,' or front edge of the pillar. (Please note I'm making these terms up; they are not common usage and will make no sense to others.)
Now, let's look at the model 15, forgetting for a moment about the sub-model:

First, notice the Runway/Waist/Ski Jump area. It's a smooth curve. What I mean by that is, if you were driving a tiny car down the 'runway' of the machine, you could drive up the 'ski jump' with no problem. It doesn't go steeper than 45 degrees, and that's unique to the model 15s.
Secondly, look at the undercurve. It's kind of symmetrical, like the top of an umbrella.
Thirdly, notice how the pillar line is raked back at an angle.
In contrast, let's look at the lines of a different machine. Here's a 201:
You should notice some sharp differences. First of all, if you drove a tiny car down the runway of a 201, you'd crash when you got to the ski jump because it's too steep. As you'll see later, it's like that on the 66s, 99s and 206s as well.
Secondly, notice how straight the lines are for the runway, the undercurve and the pillar line. In actuality they're slightly curved, but to the naked eye they look very nearly like straight lines. This is an important clue.
Thirdly, look at the angle of the pillar line. Now compare it to the pillar line of the model 15. On the 201, the pillar line is almost vertical.
Anyways, I'm not going to ask you to identify 201s just yet, I'm just showing it for contrast. The first step is to be able to identify a model 15. So, let's look at some crappy pictures. Studying the runway and ski jump areas, which of these machines are model 15's?




Got it? Was it too easy? If so, don't worry, it will get trickier.
And here's The Caveat: The Sandman identification form is exact, foolproof and useful for everybody. Unfortunately, my system here is only going to be useful to some of you. Those of you whose vision is wired to be artistic--'right brainers'--will have no problem picking this up, while others more 'left brain' or logic-inclined may find it inscrutable. Don't feel bad if you can't pick this up, it's like being tall--you're either born tall or you're not. (And I'm not.)
Go on to:
Part 2: If it’s a model 15, what kind of 15?
Part 3: Is it a 201?
Part 4: Is it a 66?

Identify Singer Sewing Machine By Serial Numbers

Part 5: Is it a 99?

Old Singer Sewing Machines Serial Numbers

Dating your vintage Singer sewing machine


Singer dates by Model number
Sooner or later we all ask the question:
'When was my Singer made?'
It's a simple question and should have an easy answer, right?
The simple answer is that pinpointing an exact date for any vintage Singer can be difficult, due to incomplete, conflicting, and contradictory information.
But a bit of detective work should help you date your machine to within a 2-3
year period.
Serial number and model number are necessary to start the process. Armed with your serial number you can visit Singer's website
which provides the year the serial number was allocated. Unfortunately, serial number blocks were often hundreds of thousands of numbers. Depending on the factory it could take a few months, a few years, or a decade for all the numbers to be assigned to individual machines.
Relying on the allocation date alone can be misleading.
For example, 401 machines carry an NA or NB serial number. According to the Singer site, all serial numbers beginning with NA were allocated in 1951 and NB serial numbers were allocated in 1956. However, the copyright date on the 401 instruction manual is 1959 and the model was marketed from 1959-1961. This gives us a truer date range for a 401 than the allocation date alone.

On the other hand model 15-91 was marketed from 1933 to 1956 (see chart) and were cranked out in huge numbers in the US and Canada. Since the more prolific factories (such as Elizabethport) burned through serial numbers faster than Anderson, new blocks were allocated more frequently. For this reason, the allocation date for a 15-91 serial number is a truer manufacture date than it is for a 401.
In the past Singer's website offered more detailed dating information than at present. Some of the old Singer tables are still available on the International Sewing Machine Collector's Society (ISMACS) website.
Happy Sewing!

(NOTE: Chart information deemed reliable but not guaranteed.)
2/26/2014 02:57:37 pm

Where do I find the model number on a 1930s machine? Is there any way to find out what model a Singer is based on the serial number?

2/27/2014 11:35:57 am

Identifying a 1930's machine can be a little tricky because Singer like to use the same casting for the head and then put different components on it and call them different models. And they didn't put model numbers on them. It's possible that Singer could answer your question from the serial number, but not a guarantee since they do not have comprehensive records for every factory.
The best advice I can give is to visit the following website for a wonderful interactive tool to identify your model:
Hope this helps!

9/9/2017 08:45:37 pm

why do you have to down load an app to get the info looking for

5/21/2019 07:10:30 am

What is the difference in model 620 and 635? I see a knob on the lower right that my old 620 did not have. What is the purpose of the knob?

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