Lockstitch comparison
JACK 5558G vs JACK A4C: 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 shirts, wovens, garments.
JACK 5558G
Lockstitch machine with a built-in edge cutter and piping device, running up to 4000 s.p.m. for shirts, suits, pants and down jackets.
JACK A4C
AI-integrated lockstitch machine running the Jack NTB control system with the Octopus "Nine-Brain" chip — direct-drive servo motor, auto thread trimmer, auto backtack and auto foot lift at up to 5000 s.p.m.
Key differences
- JACK A4C lists the higher top speed: 5000 s.p.m. against 4000 s.p.m.
- JACK A4C lists an automatic thread trimmer; JACK 5558G does not list one.
- Series: JACK 5558G — Lockstitch, edge cutter; JACK A4C — Lockstitch (A-series, AI-integrated).
- Availability: JACK 5558G — Order on request; JACK A4C — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK 5558G | JACK A4C |
|---|---|---|
| Series | Lockstitch, edge cutter | Lockstitch (A-series, AI-integrated) |
| Needle | DBx1, 11-18# | DBx1, 11-18# |
| Max sewing speed | Up to 4000 s.p.m. | 5000 s.p.m. |
| Feature | Built-in edge cutter and piping device | — |
| Best for | Shirts, suits, pants, down jackets | — |
| Availability | Order on request | Order on request |
| Number of threads | — | 2 |
| Max stitch length | — | 5mm |
| Presser foot lift (hand/auto) | — | 13mm / 6mm |
| Control system | — | Jack NTB system with Octopus "Nine-Brain" AI chip |
| Motor | — | Direct-drive integrated servo motor |
| Feed | — | Computerized, auto-trimmer, auto backtack, auto foot lift |
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 5558G if…
Lockstitch machine with a built-in edge cutter and piping device, running up to 4000 s.p.m. for shirts, suits, pants and down jackets.
- Built-in edge cutter
- Integrated piping device
- Runs up to 4000 s.p.m.
Choose the JACK A4C if…
AI-integrated lockstitch machine running the Jack NTB control system with the Octopus "Nine-Brain" chip — direct-drive servo motor, auto thread trimmer, auto backtack and auto foot lift at up to 5000 s.p.m.
- AI Nine-Brain chip
- Auto trim, backtack & foot lift
- Direct-drive servo motor
Swami Enterprises is an authorized JACK dealer and importer. 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 5558G and the JACK A4C?
JACK A4C lists the higher top speed: 5000 s.p.m. against 4000 s.p.m. JACK A4C lists an automatic thread trimmer; JACK 5558G does not list one. Series: JACK 5558G — Lockstitch, edge cutter; JACK A4C — Lockstitch (A-series, AI-integrated).
Which is better, the JACK 5558G or the JACK A4C?
It depends on your fabric, operation and daily volume. The JACK 5558G is described as: Lockstitch machine with a built-in edge cutter and piping device, running up to 4000 s.p.m. for shirts, suits, pants and down jackets. The JACK A4C is described as: AI-integrated lockstitch machine running the Jack NTB control system with the Octopus "Nine-Brain" chip — direct-drive servo motor, auto thread trimmer, auto backtack and auto foot lift at up to 5000 s.p.m.
What is the price of the JACK 5558G and the JACK A4C?
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.