CONSEW 339RB-4
CONSEW 339RB-4
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Pickup available at: 8701 Catbriar Bay Way, Orlando, FL 32829
Usually ready in 2–5 days (sometimes sooner).
View store informationCONSEW® 339RB-4 — Heavy-Duty Two Needle Walking Foot Lockstitch Machine
Dual Needle • Compound Feed • Large Hooks & Bobbins
The CONSEW® 339RB-4 is a heavy-duty, high-speed, two needle lockstitch machine designed for demanding industrial sewing environments. Featuring drop feed, needle feed, and alternating walking presser feet, this compound feed system ensures powerful and even material handling across thick, layered, and heavy-duty applications.
Built with large vertical axis hooks and bobbins, reverse feed, and a safety clutch mechanism, the 339RB-4 is engineered for long production runs and consistent performance. Its Centra-Lube® semi-automatic lubrication system and automatic hook lubrication reduce maintenance while maintaining smooth operation.
Key Features
- Two needle lockstitch mechanism for parallel stitching lines.
- Compound feed walking foot system (drop feed + needle feed + alternating feet).
- Large vertical axis hooks and large bobbins.
- Centra-Lube® semi-automatic lubrication system.
- Automatic hook lubrication and oil-fed take-up.
- Reverse feed with long stitch capability (2 1/2 s.p.i.).
- Safety clutch protects hooks from damage.
- Adjustable center foot for varying material thicknesses.
- Optional synchronized puller available (suffix -P).
- Various needle gauges available.
Applications
- Automotive, boat, and furniture upholstery.
- Tarpaulins, sails, tents, awnings, and trailer covers.
- Handbags, luggage, travelware, and accessories.
- Sports and camping equipment.
- Canvas shoes, slippers, and orthopedic appliances.
- Double needle seaming, binding, taping, and piping operations.
- Leather, vinyl, canvas, synthetics, and coated materials.
Technical Specifications
| Model | CONSEW® 339RB-4 |
| Number of Needles | 2 (Double) |
| Feeding Mechanism | Compound Feed (Walking Foot) |
| Stitch Type | 301 (Lockstitch) |
| Max Speed | 3,000 SPM |
| Max Stitch Length | 2 1/2 s.p.i. (approx. 10 mm) |
| Clearance Under Presser Foot | 9/16" (14 mm) |
| Work Space | 10" (258 mm) |
| Needle System | 135 x 17 |
| Available Needle Spacing | 1/8" (3.2 mm) to 1 1/2" (38.1 mm) |
| Standard Needle Spacing | 1/4" (6.4 mm) |
| Hook | 15502 (Large) |
| Bobbin | Metal 15041 / Pre-wound S or U |
| Needle Bar Stroke | 1 5/16" (33 mm) |
| Bed Size | 7" x 20 3/8" (177 mm x 518 mm) |
| Weight | 183 lbs |
The CONSEW® 339RB-4 is a true industrial workhorse built for precision double-needle stitching on heavy materials. With large hooks, compound feed walking foot, and long stitch capability, it is ideal for professional upholstery and heavy-duty production environments.
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