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SAFE · Compound feed
SF-0330-D4Computerized Compound Feed Lockstitch Sewing Machine
The SF-0330-D4 is a computerized compound-feed lockstitch sewing machine for medium and heavy materials. Its D4 configuration combines automatic trimming, backtacking and presser-foot lifting.
Compare this model with heavy duty & compound feed, or use our machine selection enquiry guide to prepare your requirements.
SAFE catalogue product imageProduct advantages
Details that support the operation.
- 01Synchronized presser foot, needle and feed dog movement
- 02750 W direct-drive motor
- 03Automatic thread trimming
- 04Automatic backtacking
- 05Automatic presser foot lifting
- 06Built-in bobbin winder
Applications & sewing operations
Review it against your production task.
- Lockstitch sewing of medium and heavy materials
Send your material and intended seam for configuration review. Optional functions and attachments should be confirmed in the quotation.
From the SAFE catalogue
A closer look.
Technical data
Specifications.
Specifications follow the reviewed SAFE v06 catalogue. Confirm your final machine configuration in the quotation.
| Specification | Details |
|---|---|
| Maximum speed | 2,000 rpm |
| Motor power | 750 W |
| Needle system | DP × 17, #19–23 |
| Stitch length | 8 mm |
| Needle bar stroke | 37 mm |
| Presser foot lift | 6 / 13 mm |
| Operating space | 260 × 120 mm |
Before you choose
Questions about this machine.
Which automatic functions are included in the D4 configuration?
The SF-0330-D4 specification row lists automatic thread trimming, automatic backtacking and automatic presser-foot lifting. The D3 and other versions have different configurations.
What working space and needle system are listed?
The operating space is 260 × 120 mm. The specified needle system is DP × 17, sizes #19–23, and the listed stitch length is 8 mm.
What does triple feed mean when comparing a walking-foot sewing machine?
In this compound-feed arrangement, the presser foot, needle and feed dog coordinate material movement. Buyers may refer to this as triple feed. Check the actual feeding arrangement, bed shape and required seam rather than assuming every walking-foot machine is identical.
Ordering & after-sales
Support beyond the machine.
Tell us where the machine will be used and the configuration you require.
From one machineOrders for factories and dealers
1-year warrantyMachine warranty and spare parts supply
Remote technical supportShare model, issue and a short video
Pakistan officesKarachi and Faisalabad contacts
Continue your machine selection
Related equipment and operations.
Compare the handling method and finished seam. These machines cover different configurations or neighbouring production steps; confirm the right choice against your sample.
Discuss your SF-0330-D4.
Share your material, seam photo and quantity with Trentzhou.