Lockstitch comparison
JACK A6F-E vs SINGER SS 9900 T: 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 A6F-E
Digital needle-feed computerized lockstitch with a sealed oil pan and a large 300mm sewing space — feeds smoothly with no short thread tail.
SINGER SS 9900 T
SINGER's SS 9900 T is the SS 9900 fitted with an auto thread trimmer and single-shaft mechanism, for single-needle lockstitch work with faster changeovers between pieces.
Key differences
- SINGER SS 9900 T lists an automatic thread trimmer; JACK A6F-E does not list one.
Specifications side by side
| Specification | JACK A6F-E | SINGER SS 9900 T |
|---|---|---|
| Series | Lockstitch, needle feed | — |
| Needle | DBx1, 11-18# / DPx5, 18-21# | — |
| Max sewing speed | Up to 4000 s.p.m. | — |
| Sewing space | 300mm, large operating area | — |
| Lubrication | Sealed oil pan, no oil stains | — |
| Best for | Shirts, suits, pants, down jackets | — |
| Availability | Order on request | — |
| Motor | — | Qixing motor & control box |
| Thread trimming | — | Automatic |
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 A6F-E if…
Digital needle-feed computerized lockstitch with a sealed oil pan and a large 300mm sewing space — feeds smoothly with no short thread tail.
- 300mm sewing space
- Sealed, stain-free oil pan
Choose the SINGER SS 9900 T if…
SINGER's SS 9900 T is the SS 9900 fitted with an auto thread trimmer and single-shaft mechanism, for single-needle lockstitch work with faster changeovers between pieces.
Swami Enterprises is an authorized JACK dealer and importer. Swami Enterprises stocks SINGER 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 A6F-E and the SINGER SS 9900 T?
SINGER SS 9900 T lists an automatic thread trimmer; JACK A6F-E does not list one.
Which is better, the JACK A6F-E or the SINGER SS 9900 T?
It depends on your fabric, operation and daily volume. The JACK A6F-E is described as: Digital needle-feed computerized lockstitch with a sealed oil pan and a large 300mm sewing space — feeds smoothly with no short thread tail. The SINGER SS 9900 T is described as: SINGER's SS 9900 T is the SS 9900 fitted with an auto thread trimmer and single-shaft mechanism, for single-needle lockstitch work with faster changeovers between pieces.
What is the price of the JACK A6F-E and the SINGER SS 9900 T?
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.