Lockstitch comparison
JACK A4C vs MAQI LS 8420DP-5: 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 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.
MAQI LS 8420DP-5
MAQI's LS 8420DP-5 is a direct-drive double-needle lockstitch machine with a 3-stage adjustable LED work light, one-key needle-position compensation, MAQI's own electronic control box with a USB port, and a semi-dry (micro-oil) head.
Key differences
- JACK A4C lists an automatic thread trimmer; MAQI LS 8420DP-5 does not list one.
- Series: JACK A4C — Lockstitch (A-series, AI-integrated); MAQI LS 8420DP-5 — Lockstitch, double needle, direct drive.
- Availability: JACK A4C — Order on request; MAQI LS 8420DP-5 — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK A4C | MAQI LS 8420DP-5 |
|---|---|---|
| Series | Lockstitch (A-series, AI-integrated) | Lockstitch, double needle, direct drive |
| 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. | — |
| 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 | — |
| Availability | Order on request | Order on request |
| Work light | — | 3-stage adjustable LED, with needle compensation |
| Control box | — | MAQI's own electronic control, USB port |
| Head | — | Semi-dry, micro-oil |
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 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
Choose the MAQI LS 8420DP-5 if…
MAQI's LS 8420DP-5 is a direct-drive double-needle lockstitch machine with a 3-stage adjustable LED work light, one-key needle-position compensation, MAQI's own electronic control box with a USB port, and a semi-dry (micro-oil) head.
- 3-stage adjustable LED + needle compensation
- Own electronic control box with USB
Swami Enterprises is an authorized JACK dealer and importer. Swami Enterprises stocks MAQI 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 A4C and the MAQI LS 8420DP-5?
JACK A4C lists an automatic thread trimmer; MAQI LS 8420DP-5 does not list one. Series: JACK A4C — Lockstitch (A-series, AI-integrated); MAQI LS 8420DP-5 — Lockstitch, double needle, direct drive. Availability: JACK A4C — Order on request; MAQI LS 8420DP-5 — Order on request. Call to confirm today's stock.
Which is better, the JACK A4C or the MAQI LS 8420DP-5?
It depends on your fabric, operation and daily volume. 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. The MAQI LS 8420DP-5 is described as: MAQI's LS 8420DP-5 is a direct-drive double-needle lockstitch machine with a 3-stage adjustable LED work light, one-key needle-position compensation, MAQI's own electronic control box with a USB port, and a semi-dry (micro-oil) head.
What is the price of the JACK A4C and the MAQI LS 8420DP-5?
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.