Overlock comparison
SINGER S 8140 vs SINGER S 8150: which overlock machine should you buy?
A side-by-side look at two overlock machines from our catalog: the specifications each one lists, where they differ, and which kind of production each suits. Both are used for garments, wovens, knitwear.

SINGER S 8140
SINGER's S 8140 is a direct-drive four-thread overlock machine built for up to 70% lower power consumption, with automatic lubrication (with oil filter), needle position control and easily adjustable differential feed.

SINGER S 8150
SINGER's S 8150 is a direct-drive five-thread overlock machine, sharing the S 8140's power-saving direct-drive motor, automatic lubrication and adjustable differential feed with an extra thread for safety-stitch style seams.
Key differences
- Threads: SINGER S 8140 — 4-thread overlock; SINGER S 8150 — 5-thread overlock.
Specifications side by side
| Specification | SINGER S 8140 | SINGER S 8150 |
|---|---|---|
| Threads | 4-thread overlock | 5-thread overlock |
| Motor | Direct drive, up to 70% power saving | Direct drive, up to 70% power saving |
Highlighted rows differ. A dash means the catalog does not list that specification for the machine; ask us and we will confirm it.
Which one fits your work?
Choose the SINGER S 8140 if…
SINGER's S 8140 is a direct-drive four-thread overlock machine built for up to 70% lower power consumption, with automatic lubrication (with oil filter), needle position control and easily adjustable differential feed.
Choose the SINGER S 8150 if…
SINGER's S 8150 is a direct-drive five-thread overlock machine, sharing the S 8140's power-saving direct-drive motor, automatic lubrication and adjustable differential feed with an extra thread for safety-stitch style seams.
Swami Enterprises stocks SINGER machines as a stocking partner. Bring your own fabric to the Chanakya Place showroom and sew on both before you decide.
Questions buyers ask
What is the difference between the SINGER S 8140 and the SINGER S 8150?
Threads: SINGER S 8140 — 4-thread overlock; SINGER S 8150 — 5-thread overlock.
Which is better, the SINGER S 8140 or the SINGER S 8150?
It depends on your fabric, operation and daily volume. The SINGER S 8140 is described as: SINGER's S 8140 is a direct-drive four-thread overlock machine built for up to 70% lower power consumption, with automatic lubrication (with oil filter), needle position control and easily adjustable differential feed. The SINGER S 8150 is described as: SINGER's S 8150 is a direct-drive five-thread overlock machine, sharing the S 8140's power-saving direct-drive motor, automatic lubrication and adjustable differential feed with an extra thread for safety-stitch style seams.
What is the price of the SINGER S 8140 and the SINGER S 8150?
Prices depend on the model, quantity and the day. Call +91 99713 36656 or request a quote for today's price on either machine.
Can I see both machines before buying?
Yes. Visit the showroom at Chanakya Place, New Delhi. Call +91 99713 36656 first so the team can confirm which models are on display and in stock.
Not sure which to pick?
Tell us your fabric, operation and daily volume. A specialist will recommend one, with today's price.