Lockstitch comparison
JACK A2C vs SINGER SS 9900: which lockstitch machine should you buy?
A side-by-side look at two lockstitch machines from our catalog: the specifications each one lists, where they differ, and which kind of production each suits. Both are used for wovens, garments.

JACK A2C
Computerized single-needle lockstitch machine with auto thread trimmer, from Jack’s A-series. Ask us for current stock and pricing.

SINGER SS 9900
A direct-drive single-needle lockstitch machine with an energy-saving built-in motor, fully automatic lubrication and a quick-response integrated control system in the head.
Key differences
- JACK A2C lists an automatic thread trimmer; SINGER SS 9900 does not list one.
- Motor: JACK A2C — Direct-drive servo, up to 5.5Nm torque; SINGER SS 9900 — Energy-saving direct drive, Qixing motor & control box.
Specifications side by side
| Specification | JACK A2C | SINGER SS 9900 |
|---|---|---|
| Series | Lockstitch (A-series) | — |
| Needle | DBx1, 11-18# | — |
| Number of threads | 2 | — |
| Max stitch length | 5mm | — |
| Presser foot lift (hand/auto) | 13mm / 6mm | — |
| Max sewing speed | 5000 s.p.m. | — |
| Motor | Direct-drive servo, up to 5.5Nm torque | Energy-saving direct drive, Qixing motor & control box |
| Controls | Manual bartack lever, knee-operated presser lift | — |
| Feed | Computerized, auto-trimmer, auto backtack | — |
| Best for | General garment stitching, production lines | — |
| Availability | Order on request | — |
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 JACK A2C if…
Computerized single-needle lockstitch machine with auto thread trimmer, from Jack’s A-series. Ask us for current stock and pricing.
- 5.5Nm direct-drive torque
- Auto trim + auto backtack
- Knee-operated presser lift
Choose the SINGER SS 9900 if…
A direct-drive single-needle lockstitch machine with an energy-saving built-in motor, fully automatic lubrication and a quick-response integrated control system in the head.
Swami Enterprises is an authorized JACK dealer and importer. 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 JACK A2C and the SINGER SS 9900?
JACK A2C lists an automatic thread trimmer; SINGER SS 9900 does not list one. Motor: JACK A2C — Direct-drive servo, up to 5.5Nm torque; SINGER SS 9900 — Energy-saving direct drive, Qixing motor & control box.
Which is better, the JACK A2C or the SINGER SS 9900?
It depends on your fabric, operation and daily volume. The JACK A2C is described as: Computerized single-needle lockstitch machine with auto thread trimmer, from Jack’s A-series. Ask us for current stock and pricing. The SINGER SS 9900 is described as: A direct-drive single-needle lockstitch machine with an energy-saving built-in motor, fully automatic lubrication and a quick-response integrated control system in the head.
What is the price of the JACK A2C and the SINGER SS 9900?
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.