Heritage Stitch Systems Industrial Collection
Merrow MB-4DFO-2.1_CC ACTIVESEAM Industrial Sewing Machine
Merrow MB-4DFO-2.1_CC ACTIVESEAM Industrial Sewing Machine
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Product specifications
| Specification | Details |
|---|---|
| Brand | Merrow |
| Model | MB-4DFO-2.1_CC |
| Machine type | Industrial sewing machine |
| Stitch system | ACTIVESEAM |
| Operating speed | 5,500 RPM |
| Stitch width | 3/32–5/32 |
| Stitch range | 10–40 SPI |
| Standard needle | A1DF |
| Merrow needle range | A00DF–A2DF |
| Required motor | 3,450 RPM, 110/220 V, ½ HP |
| Number of threads | 2–3 |
| SKU | MB-4DFO-2.1_CC |
Product description
The Merrow MB-4DFO-2.1_CC ACTIVESEAM Industrial Sewing Machine offers a specialized stitching configuration for textile production. With an operating speed of 5,500 RPM and a stitch range of 10–40 stitches per inch, it provides options for tailoring stitch density to production requirements.
Based on the supplied specifications, this model supports two- to three-thread configurations and stitch widths from 3/32 to 5/32. It uses an A1DF standard needle, with a listed Merrow needle range of A00DF–A2DF. The required motor specification is 3,450 RPM, 110/220 volts, and ½ HP; motor inclusion should be confirmed separately.
Key features
- ACTIVESEAM stitch configuration: Specialized industrial stitching system.
- 5,500 RPM operating speed: Supports production sewing.
- 10–40 stitches per inch: Offers a range of stitch densities.
- 3/32–5/32 stitch width: Defined width range for the specified configuration.
- Two or three threads: Thread count depends on machine setup.
- A1DF standard needle: Listed needle range of A00DF–A2DF.
Merrow MB-4DFO-2.1_CC ACTIVESEAM Applications






Shipping Policy
We offer insured delivery on all equipment. Most orders process within 3–5 business days, with estimated delivery timeframes varying based on product availability, freight scheduling, and delivery location.
Large and industrial machine systems ship via insured freight carriers and may require an adult (18+) signature upon delivery.
White glove delivery services may be available on select machine systems and locations for an additional fee.
For full details, please review our Shipping Policy.
Return Policy
Due to the nature of industrial sewing, embroidery, and quilting equipment, all returns require prior authorization and are reviewed on a case-by-case basis.
Return requests must be submitted within 30 days of delivery for evaluation and approval. Equipment must be unused, uninstalled, and returned in original packaging when applicable.
Approved returns may be subject to return shipping costs and restocking fees depending on the manufacturer, supplier, and condition of the item.
For warranty concerns, shipping damage, or defective equipment, please contact us promptly so we can assist with evaluation and resolution.
For full details, please review our Return & Refund Policy.