Lockstitch comparison
JACK 5558G vs JACK JK-58450J: 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 JK-58450J
Double-needle computerized lockstitch with auto cornering and a large sewing space — built-in presser-foot lifter, one-shaft drive.
Key differences
- JACK 5558G lists the higher top speed: 4000 s.p.m. against 3000 s.p.m.
- Series: JACK 5558G — Lockstitch, edge cutter; JACK JK-58450J — Lockstitch, double needle.
- Needle: JACK 5558G — DBx1, 11-18#; JACK JK-58450J — DPx5, multiple gauges.
- Feature: JACK 5558G — Built-in edge cutter and piping device; JACK JK-58450J — Auto cornering, built-in presser-foot lifter.
- Best for: JACK 5558G — Shirts, suits, pants, down jackets; JACK JK-58450J — Umbrella, denim, T-shirt (chain-stitch work).
- Availability: JACK 5558G — Order on request; JACK JK-58450J — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK 5558G | JACK JK-58450J |
|---|---|---|
| Series | Lockstitch, edge cutter | Lockstitch, double needle |
| Needle | DBx1, 11-18# | DPx5, multiple gauges |
| Max sewing speed | Up to 4000 s.p.m. | Up to 3000 s.p.m. |
| Feature | Built-in edge cutter and piping device | Auto cornering, built-in presser-foot lifter |
| Best for | Shirts, suits, pants, down jackets | Umbrella, denim, T-shirt (chain-stitch work) |
| 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 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 JK-58450J if…
Double-needle computerized lockstitch with auto cornering and a large sewing space — built-in presser-foot lifter, one-shaft drive.
- Auto cornering
- Built-in presser-foot lifter
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 JK-58450J?
JACK 5558G lists the higher top speed: 4000 s.p.m. against 3000 s.p.m. Series: JACK 5558G — Lockstitch, edge cutter; JACK JK-58450J — Lockstitch, double needle. Needle: JACK 5558G — DBx1, 11-18#; JACK JK-58450J — DPx5, multiple gauges.
Which is better, the JACK 5558G or the JACK JK-58450J?
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 JK-58450J is described as: Double-needle computerized lockstitch with auto cornering and a large sewing space — built-in presser-foot lifter, one-shaft drive.
What is the price of the JACK 5558G and the JACK JK-58450J?
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.