Lockstitch comparison
JACK S7 vs MAQI LS8450Te: 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 S7
Jack’s current digitalized post-bed machine — three independent stepper motors and a 5-inch touch screen for accurate, noiseless roller-feed sewing.

MAQI LS8450Te
MAQI's LS8450Te is a double-needle, step-motor, semi-dry-head computerized lockstitch machine — 0.1mm-precision electronic needle pitch, automatic presser-foot lift, a straight-knife thread trimmer, and electronic switching between the left and right needle.
Key differences
- MAQI LS8450Te lists an automatic thread trimmer; JACK S7 does not list one.
- Series: JACK S7 — Post bed, digitalized; MAQI LS8450Te — Lockstitch, double needle, step motor.
- Thread trimmer: JACK S7 — Short-thread cut to 3mm precision; MAQI LS8450Te — Straight knife.
- Availability: JACK S7 — Order on request; MAQI LS8450Te — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK S7 | MAQI LS8450Te |
|---|---|---|
| Series | Post bed, digitalized | Lockstitch, double needle, step motor |
| Motors | 3 stepper motors (needle bar + two rollers) plus main shaft motor | — |
| Screen | 5-inch multilanguage touch screen | — |
| Thread trimmer | Short-thread cut to 3mm precision | Straight knife |
| Perforation capacity | Penetrates 110+ layers of A4 paper | — |
| Connectivity | Industry 4.0 WiFi module (optional) | — |
| Best for | Shirts, jeans, non-woven bags, shoes, bags | — |
| Availability | Order on request | Order on request |
| Needle pitch | — | Electronic, 0.1mm precision |
| Head | — | Semi-dry, micro-oil |
| Presser foot lift | — | Automatic |
| Needle switching | — | Electronic, left/right |
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 S7 if…
Jack’s current digitalized post-bed machine — three independent stepper motors and a 5-inch touch screen for accurate, noiseless roller-feed sewing.
- 3 stepper motors + main shaft
- 3mm-precision thread trim
- 110+ layer perforation capacity
Choose the MAQI LS8450Te if…
MAQI's LS8450Te is a double-needle, step-motor, semi-dry-head computerized lockstitch machine — 0.1mm-precision electronic needle pitch, automatic presser-foot lift, a straight-knife thread trimmer, and electronic switching between the left and right needle.
- Electronic left/right needle switch
- Semi-dry, micro-oil head
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 S7 and the MAQI LS8450Te?
MAQI LS8450Te lists an automatic thread trimmer; JACK S7 does not list one. Series: JACK S7 — Post bed, digitalized; MAQI LS8450Te — Lockstitch, double needle, step motor. Thread trimmer: JACK S7 — Short-thread cut to 3mm precision; MAQI LS8450Te — Straight knife.
Which is better, the JACK S7 or the MAQI LS8450Te?
It depends on your fabric, operation and daily volume. The JACK S7 is described as: Jack’s current digitalized post-bed machine — three independent stepper motors and a 5-inch touch screen for accurate, noiseless roller-feed sewing. The MAQI LS8450Te is described as: MAQI's LS8450Te is a double-needle, step-motor, semi-dry-head computerized lockstitch machine — 0.1mm-precision electronic needle pitch, automatic presser-foot lift, a straight-knife thread trimmer, and electronic switching between the left and right needle.
What is the price of the JACK S7 and the MAQI LS8450Te?
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.