Lockstitch comparison
JACK 5559F vs JACK JK-8558G: 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 5559F
Lockstitch machine with a digital edge cutter and stepping-motor presser-foot lift, running up to 4000 s.p.m. for shirts, suits, pants and down jackets.

JACK JK-8558G
Power-saving flatbed chain-stitch machine, available in 1, 2 or 3-needle configurations, with a rear puller for umbrella, denim and T-shirt work.
Key differences
- Both list the same top speed of 4000 s.p.m.
- Series: JACK 5559F — Lockstitch, digital edge cutter; JACK JK-8558G — Chain stitch, flatbed.
- Needle: JACK 5559F — DBx1, 11-18#; JACK JK-8558G — TVx7, various gauges, 1/2/3-needle.
- Best for: JACK 5559F — Shirts, suits, pants, down jackets; JACK JK-8558G — Umbrella, denim, T-shirt (chain stitch).
- Availability: JACK 5559F — Order on request; JACK JK-8558G — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK 5559F | JACK JK-8558G |
|---|---|---|
| Series | Lockstitch, digital edge cutter | Chain stitch, flatbed |
| Needle | DBx1, 11-18# | TVx7, various gauges, 1/2/3-needle |
| Max sewing speed | Up to 4000 s.p.m. | Up to 4000 s.p.m. |
| Feature | Stable built-in edge cutter, stepping-motor foot lift | — |
| Best for | Shirts, suits, pants, down jackets | Umbrella, denim, T-shirt (chain stitch) |
| Availability | Order on request | 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 5559F if…
Lockstitch machine with a digital edge cutter and stepping-motor presser-foot lift, running up to 4000 s.p.m. for shirts, suits, pants and down jackets.
- Digital edge cutter
- Stepping-motor foot lift
- Runs up to 4000 s.p.m.
Choose the JACK JK-8558G if…
Power-saving flatbed chain-stitch machine, available in 1, 2 or 3-needle configurations, with a rear puller for umbrella, denim and T-shirt work.
- 1/2/3-needle configurations
- Runs up to 4000 s.p.m.
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 5559F and the JACK JK-8558G?
Both list the same top speed of 4000 s.p.m. Series: JACK 5559F — Lockstitch, digital edge cutter; JACK JK-8558G — Chain stitch, flatbed. Needle: JACK 5559F — DBx1, 11-18#; JACK JK-8558G — TVx7, various gauges, 1/2/3-needle.
Which is better, the JACK 5559F or the JACK JK-8558G?
It depends on your fabric, operation and daily volume. The JACK 5559F is described as: Lockstitch machine with a digital edge cutter and stepping-motor presser-foot lift, running up to 4000 s.p.m. for shirts, suits, pants and down jackets. The JACK JK-8558G is described as: Power-saving flatbed chain-stitch machine, available in 1, 2 or 3-needle configurations, with a rear puller for umbrella, denim and T-shirt work.
What is the price of the JACK 5559F and the JACK JK-8558G?
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.