Juki DDL-8100B-7 Control Box – Serviced by Tomsewing
A reliable control box is the brain of any modern industrial sewing machine. The Juki DDL-8100B-7 control box manages motor speed, needle positioning, auto thread trimming, and presser foot lift. At Tomsewing, we offer fully tested, serviced control boxes ready for immediate shipment.
A refurbished Juki control box saves your business money. Therefore, you get original Juki performance at a fraction of the cost of new parts.

Juki DDL-8100B-7 Control Box – Fully tested, ready to install
Product Overview
| Specification | Detail |
|---|---|
| Model | Juki DDL-8100B-7 |
| Brand | Juki (Original) |
| Type | AC servo control box |
| Condition | Used – 80% new |
| Testing | Fully tested, ready for work |
| Servicing | Professionally serviced by Tomsewing |
| Compatibility | Juki DDL-8100B-7 lockstitch machine |
Key Features
This original Juki control box delivers precise electronic control for high-speed industrial sewing.
| Feature | Benefit |
|---|---|
| AC servo control | Energy efficient, quiet operation |
| Auto needle positioning | Stops needle up or down precisely |
| Auto thread trimmer control | Clean thread cuts every time |
| Auto backtack control | Reinforces seams automatically |
| Presser foot lift control | Hands-free fabric handling |
| Speed control | Adjustable maximum speed |
| Error diagnostics | Easy troubleshooting |

TowerWalls since 2009 – Quality parts from Tomsewing
Compatible With
This control box is specifically designed for:
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Juki DDL-8100B-7 high-speed lockstitch machine with automatic trimmer
-
Also compatible with similar Juki DDL series (check pin configuration)
What’s Included
| Item | Condition |
|---|---|
| Control box unit | 80% new, cleaned, tested |
| Connection cables | Serviced, no cuts or damage |
| Mounting brackets | Included |
Motor and sewing machine not included unless requested separately.
The Tomsewing Standard: Quality You Can Trust
We ensure every control box meets our strict standards before shipping.
Tomsewing
Used Sewing Machines & Parts – 80% New, as New
Fully Tested Ready for Work.
First, our technicians completely inspect each Juki control box. They open the unit and check all circuit boards, capacitors, and connections.
Next, they service all critical components. They clean any dust, replace worn connectors, and test every function.
Then, we connect the control box to a Juki DDL-8100B-7 machine. After that, we test it thoroughly for:
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Smooth motor response
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Correct needle up/down positioning
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Auto trimmer activation
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Backtack function
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Presser foot lift operation
Finally, we pack this unit securely for global shipping. As a result, your control box arrives safely and works immediately.
A fully serviced Juki DDL-8100B-7 control box, ready for shipment from Tomsewing.
Shipment & Delivery – Ready for Your Factory
Tomsewing specializes in safe, reliable global shipping.
| Service | Benefit |
|---|---|
| Secure packaging | Anti-static, bubble wrap, sturdy box |
| Global shipping | Export to over 50 countries |
| Tracking provided | Monitor from our door to yours |
| Fast processing | Ready for shipment within days |
Therefore, you can focus on your production while we handle the logistics.
Why Choose Tomsewing for Your Control Box Needs?
We have specialized in classic used sewing machines and parts since 2009. Our team understands Juki electronics perfectly.
Furthermore, we offer valuable benefits:
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Expert technical support – We help with installation and troubleshooting
-
Plug-and-play ready – No surprises, just install and sew
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Safe packaging – We pack carefully to prevent static or impact damage
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Wholesale pricing – Best value for dealers and repair shops
So, you get more than just a part. You get a reliable partner for your business growth.

Premium quality – Original Juki components
A Trusted Global Supplier Since 2009
We supply reliable industrial equipment and parts to businesses everywhere. Our customers include garment factories, repair shops, and sewing machine dealers.
Tomsewing has built a strong reputation since 2009. We now export to more than 50 countries.
Ready to Order Your Juki DDL-8100B-7 Control Box?
Liya International Group Ltd (Tomsewing) is your expert source for quality, serviced Juki control boxes.
Is your Juki machine down due to a faulty control box? Contact Tomsewing today for a replacement and fast shipment!
Hotline: +86-576-83473717
Wechat: Tomsewing
Website: https://www.tomsewing.com/
YouTube: https://www.youtube.com/c/tomsewing



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