It is very generous of you to offer your mechanical advice! ahem, over 50 years of sewing makes me prone to confusion as well...ha ha ha
My first post here I was asking as a newbie to the forum, for help is finding an old model that would fit certain specific needs. I preferred a convertible table. One that was a flat bed but could be removed to open arm. All metal and at least basic zig zag. A few others.
Not one person responded with even any suggestions. Which was a little upsetting.
As we know over the years there have been hundreds if not thousands of brands / models produced.
And no real place on the net to go to see and read them and figure out which would meet the needs best or come closest.
I don't know where most of you live but I'm in Wyoming. Not a lot of sewing machine shops here. So I turn to the net and forums.
Well I knew I preferred American made and older all metal. So went to the brand we all know Singer.
They gave me a list of 3 machines from the 1930's thru 1960's with the 401 being #1.
With that I found one at a good price.
Now I don't do all the fancy sewing some of you all do, don't know the terminology. And certainly don't know all the newer machines and technology. But I do know mechanics and how most things work.
And I definitely know how shops will try to deceive you if they can. Seen it many times.
So when they said her gears were rusting up and seizing I highly doubt that.
I bought one machine looked like it was steam cleaned, absolutely spotless.... but absolutely no lube either.
Lube it up and worked great.
As to motors yea they can be hard to come by and if no longer made.....pricey. But they are usually out there if you look hard enough. And in some cases you can find a motor shop that can rebuild them.
Other option Ebay look for a motor or machine like yours. Nothing else you got spare parts.
I look at it like car repairs. Id it better to repair or buy new (er).
If the over all car is in excellent shape and let's say the tranny went out. Average cost today $6000.
Ok a new car is $25 to $40000. divide the new car price by 60 months and you have your monthly bill for 5 yr
divide the $6000 by 60 months and you have the monthly bill for 5 yr. which can you afford best?
Same with your machine a new replacement will likely be twice if not three times the cost of the motor.
And the new machine may not be as well built even though it had more features, many of which you may never use.
So is it really more economical than repairing the old one?
And I notice Ella hasn't been back, so don't know if she read suggestions or not.
Hope ya all have a nice day