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SAFE · Select by operation
Compare industrial lockstitch machines for garment assembly, reinforcement and topstitching. Start with the seam and material, then choose the needle arrangement and control functions that fit the operation.
Model comparison
Compare these catalogue specifications, then open a model for full technical data. Final configuration is confirmed with your quotation.
| Model | Machine arrangement | Listed maximum speed | Selection point |
|---|---|---|---|
| SF-V5-D6 | Computerized lockstitch; stepper control | 4,500 rpm | Medium and heavy materials; reinforced stitching |
| SF-V7-D4 | Computerized direct-drive lockstitch | 4,500 rpm | D4 configuration adds automatic presser-foot lifting |
| SF-V4-D6 | Stepper-controlled direct-drive lockstitch | 4,500 rpm | Automatic pattern-stitching and reinforcement functions |
| SF-8452E | Direct-drive twin-needle lockstitch | 3,000 rpm | Parallel topstitching; confirm the required needle spacing |
| SF-V99-D4 | Computerized direct-drive lockstitch | 5,000 rpm | Automatic backtacking and presser-foot lifting |
| SF-V799-D4 | Automatic Needle Feed Lockstitch Sewing Machine | 5,000 rpm | Needle-feed arrangement; sample review |
| SF-V8500 | High Speed Industrial Lockstitch Sewing Machine | 5,000 rpm | Direct drive; confirm required automatic functions |
| SF-Z5490-7/C-J | Single Stepper Upper Differential Feed Lockstitch Machine | 4,500 rpm | Single-stepper upper differential feed |
| SF-Z5493-7C | Twin Stepper Differential Feed Lockstitch Sewing Machine | 4,500 rpm | Twin-stepper upper/lower differential feed |
| SF-Z5490-7-QB | Upper Differential Feed Trimming and Binding Sewing Machine | 4,500 rpm | Confirm tape and finished binding width |
Sewing performance depends on material, thread, needle, settings and handling. Send the required seam or component for application review.
Make an informed selection
A single-needle lockstitch machine is a starting point for one stitch line in garment assembly. Compare the computerized V5-D6, V7-D4 and V4-D6 configurations by controls and required operation. A high-speed industrial sewing machine should still be assessed using the actual handling cycle and fabric.
A double-needle industrial sewing machine creates two parallel stitch rows with the selected needle gauge. SF-8452E is the twin-needle lockstitch option here. Confirm the distance between rows and the complete subclass for your topstitching sample.
Compare the direct-drive lockstitch sewing machine configuration with the exact trimming, reinforcement and foot-lifting functions in the quotation. These are separate specification choices; they should not be inferred from the motor description alone.
Explore specifications
Lockstitch
Single Stepper Upper Differential Feed Lockstitch Machine
Lockstitch
Twin Stepper Differential Feed Lockstitch Sewing Machine
Lockstitch
Upper Differential Feed Trimming and Binding Sewing Machine
Lockstitch
Computerized Lockstitch Sewing Machine
Garment assembly with straight lockstitch seams.
Before you choose
Provide the material, layer count, seam photograph, stitch length, quantity and destination electrical requirements. For twin-needle work, include needle spacing. For reinforcement or decorative stitching, include the desired sequence.
Maximum sewing speed is a machine specification. Actual output also depends on the seam, material, handling, operator and configuration. Review these together rather than comparing speed alone.
Explore other operations
View all 40 SAFE models · Download the SAFE catalogue · Spare parts and technical support
Plan your next machine
Send your material, seam or component drawing, quantity and destination to Trentzhou. Orders start from one machine, with a one-year warranty, spare parts supply and remote technical support.