Singer 403A Slant-o-Matic sewing machine: what it's worth

About it

Comparable listings we priced it against

Common questions

How much is a Singer 403A Slant-o-Matic sewing machine worth?

About $190 to $296 as of 2026-11-06, based on 4 recent eBay sales with a median of $237. Similar ones are listed right now for $320 to $320, but asking prices run higher than what things sell for.

What has a Singer 403A Slant-o-Matic sewing machine sold for recently?

Recent eBay sales: $249 (Vintage 1958 Singer Sewing Machine 403A Slant-O-Matic With Case Works…); $310 (Vintage Singer Slant-O-Matic 403A Sewing Machine w/Cabinet, Cams,…); $225 (Singer Slant‑O‑Matic 403A Sewing Machine w/ Case & Accessories); $153 (Vtg Working Singer 403A SLANT-O-MATIC Sewing Machine W/ Pedal And…).

What makes one worth more or less?

Runs smoothly with its foot pedal and power cord is the starting point; missing parts lower it. The original case, manual and attachments add value, especially for collectible models like the Featherweight. Rust, worn decals and frozen mechanisms cut the price; a recent service raises it.

More on sewing machines prices

Related prices

See all sewing machines

• Singer 500A Rocketeer Slant-o-Matic sewing machine
  $160–$250
• Singer 401A Slant-o-Matic sewing machine
  $211–$311
• Singer 301A sewing machine
  $225–$308
• Singer Featherweight 221 sewing machine with case and pedal
  $272–$368
• Bernina 830 Record sewing machine
  $476–$744
• Minolta Hi-Matic 7s rangefinder film camera
  $128–$190

Guestimates are market estimates from public eBay data at the date shown, not certified appraisals. Prices change; check before you buy or sell. As an eBay Partner, Guestimator may be paid a commission when you buy through links on this page.