Lockstitch comparison
JACK JK-2030G 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.
JACK JK-2030G
Full-automatic top-and-bottom feeding computerized lockstitch for heavy duty, with a large working space for 8-layer leather work.
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 JK-58450J lists the higher top speed: 3000 s.p.m. against 2200 s.p.m.
- Series: JACK JK-2030G — Heavy-Duty, top & bottom feed; JACK JK-58450J — Lockstitch, double needle.
- Needle: JACK JK-2030G — DPx17, 20-23#; JACK JK-58450J — DPx5, multiple gauges.
- Best for: JACK JK-2030G — Sofa, car seat, luggage, shoes; JACK JK-58450J — Umbrella, denim, T-shirt (chain-stitch work).
- Availability: JACK JK-2030G — Order on request; JACK JK-58450J — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK JK-2030G | JACK JK-58450J |
|---|---|---|
| Series | Heavy-Duty, top & bottom feed | Lockstitch, double needle |
| Needle | DPx17, 20-23# | DPx5, multiple gauges |
| Max sewing speed | Up to 2200 s.p.m. | Up to 3000 s.p.m. |
| Best for | Sofa, car seat, luggage, shoes | Umbrella, denim, T-shirt (chain-stitch work) |
| Availability | Order on request | Order on request |
| Feature | — | Auto cornering, built-in presser-foot lifter |
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 JK-2030G if…
Full-automatic top-and-bottom feeding computerized lockstitch for heavy duty, with a large working space for 8-layer leather work.
- Top & bottom auto feed
- Large working space
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 JK-2030G and the JACK JK-58450J?
JACK JK-58450J lists the higher top speed: 3000 s.p.m. against 2200 s.p.m. Series: JACK JK-2030G — Heavy-Duty, top & bottom feed; JACK JK-58450J — Lockstitch, double needle. Needle: JACK JK-2030G — DPx17, 20-23#; JACK JK-58450J — DPx5, multiple gauges.
Which is better, the JACK JK-2030G or the JACK JK-58450J?
It depends on your fabric, operation and daily volume. The JACK JK-2030G is described as: Full-automatic top-and-bottom feeding computerized lockstitch for heavy duty, with a large working space for 8-layer leather work. 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 JK-2030G 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.