Lockstitch comparison
JACK H7 vs MAQI LS5490-4C: 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.
JACK H7
Jack’s current top-feed heavy-duty lockstitch, replacing the older H5/H6 — pierces 10+ layers of leather with a fully digital, 16-level presser foot lift.
MAQI LS5490-4C
MAQI's LS5490-4C is an upper-differential intelligent flat sewing machine built for pleating and gathering work — a servo-driven upper differential presser foot, a dual-rack lower differential mechanism, and digital pleat programming across up to 9 segments.
Key differences
- Series: JACK H7 — Heavy-Duty, digitalized top feed; MAQI LS5490-4C — Lockstitch, upper differential, four-automatic.
- Availability: JACK H7 — Order on request; MAQI LS5490-4C — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK H7 | MAQI LS5490-4C |
|---|---|---|
| Series | Heavy-Duty, digitalized top feed | Lockstitch, upper differential, four-automatic |
| Motor | 750W integrated motor | — |
| Presser foot lift | 16 adjustable levels, stepper-motor controlled | — |
| Stitch length | 1.3mm – 5.5mm, graduated adjustment | — |
| Material capability | Pierces 10+ layers of leather; handles 8 layers cleanly | — |
| Controls | Digital knee lifter with micro-lift, double-row LED lights | — |
| Best for | Sofa, car seat, luggage, gloves, bags, shoes | — |
| Availability | Order on request | Order on request |
| Presser foot | — | Servo-driven upper differential, dedicated pleating foot |
| Lower feed | — | Dual-rack lower differential mechanism |
| Pleat programming | — | Digital, programmable up to 9 segments |
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 H7 if…
Jack’s current top-feed heavy-duty lockstitch, replacing the older H5/H6 — pierces 10+ layers of leather with a fully digital, 16-level presser foot lift.
- 16-level stepper foot lift
- Pierces 10+ leather layers
- 1.3-5.5mm stitch range
Choose the MAQI LS5490-4C if…
MAQI's LS5490-4C is an upper-differential intelligent flat sewing machine built for pleating and gathering work — a servo-driven upper differential presser foot, a dual-rack lower differential mechanism, and digital pleat programming across up to 9 segments.
- Servo upper differential foot
- Digital, segmented pleat control
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 H7 and the MAQI LS5490-4C?
Series: JACK H7 — Heavy-Duty, digitalized top feed; MAQI LS5490-4C — Lockstitch, upper differential, four-automatic. Availability: JACK H7 — Order on request; MAQI LS5490-4C — Order on request. Call to confirm today's stock.
Which is better, the JACK H7 or the MAQI LS5490-4C?
It depends on your fabric, operation and daily volume. The JACK H7 is described as: Jack’s current top-feed heavy-duty lockstitch, replacing the older H5/H6 — pierces 10+ layers of leather with a fully digital, 16-level presser foot lift. The MAQI LS5490-4C is described as: MAQI's LS5490-4C is an upper-differential intelligent flat sewing machine built for pleating and gathering work — a servo-driven upper differential presser foot, a dual-rack lower differential mechanism, and digital pleat programming across up to 9 segments.
What is the price of the JACK H7 and the MAQI LS5490-4C?
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.