Overlock comparison
JACK JK-797 vs JACK C5T: which overlock machine should you buy?
A side-by-side look at two overlock machines from our catalog: the specifications each one lists, where they differ, and which kind of production each suits. Both are used for knitwear, wovens, garments.
JACK JK-797
Small cylinder-bed, super-fast overlock with variable top feed — a compact bed for flexible, no-dislocation sewing on curved seams.
JACK C5T
Digital top-feed overlock machine built for heavy materials and extra-heavy denim, running up to 6000 s.p.m.
Key differences
- JACK JK-797 lists the higher top speed: 7000 s.p.m. against 6000 s.p.m.
- Series: JACK JK-797 — Overlock, small-arm; JACK C5T — Overlock, digital top feed.
- Needle: JACK JK-797 — DCx27, 9#–11#; JACK C5T — DCx27, 11#–19# (model-dependent).
- Best for: JACK JK-797 — T-shirts, underwear, jeans, mid-to-high-level clothing; JACK C5T — Heavy materials, extra-heavy denim.
- Availability: JACK JK-797 — Order on request; JACK C5T — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK JK-797 | JACK C5T |
|---|---|---|
| Series | Overlock, small-arm | Overlock, digital top feed |
| Needle | DCx27, 9#–11# | DCx27, 11#–19# (model-dependent) |
| Max sewing speed | Up to 7000 s.p.m. | Up to 6000 s.p.m. |
| Best for | T-shirts, underwear, jeans, mid-to-high-level clothing | Heavy materials, extra-heavy denim |
| 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 JK-797 if…
Small cylinder-bed, super-fast overlock with variable top feed — a compact bed for flexible, no-dislocation sewing on curved seams.
- Compact small-arm bed
- Runs up to 7000 s.p.m.
Choose the JACK C5T if…
Digital top-feed overlock machine built for heavy materials and extra-heavy denim, running up to 6000 s.p.m.
- Digital top feed
- Runs up to 6000 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 JK-797 and the JACK C5T?
JACK JK-797 lists the higher top speed: 7000 s.p.m. against 6000 s.p.m. Series: JACK JK-797 — Overlock, small-arm; JACK C5T — Overlock, digital top feed. Needle: JACK JK-797 — DCx27, 9#–11#; JACK C5T — DCx27, 11#–19# (model-dependent).
Which is better, the JACK JK-797 or the JACK C5T?
It depends on your fabric, operation and daily volume. The JACK JK-797 is described as: Small cylinder-bed, super-fast overlock with variable top feed — a compact bed for flexible, no-dislocation sewing on curved seams. The JACK C5T is described as: Digital top-feed overlock machine built for heavy materials and extra-heavy denim, running up to 6000 s.p.m.
What is the price of the JACK JK-797 and the JACK C5T?
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.