Product features
Sewing comfort with automatic functions
Thanks to outstanding performance parameters, the subclasses of the machine series M-TYPE Silverline lockstitch post bed machines with bottom feed and driven roller presser foot offer high functionality and flexibility – at an attractive price.
The robust and effective bottom feed system guarantees a trouble-free material feed when processing different leather thicknesses and structures.
This DAC Classsic control guarantees all automatic functions like thread trimmer, foot lift, backtacking, needle positioning, easily programmable through OP1000 operating panel.
The DAC eco control is equipped with convenient basic functions such as needle positioning, soft start and realization of a pedal-operated single stitch.
The subclasses of the M-TYPE Silverline machine series are suitable for universal sewing operations in the field of leather shoe uppers, especially for heavy sewing as well as in the automotive industry.
Your benefits at a glance
Lubrication system with central oil tank and oil pump

Excellent seam quality and strong material feeding due to bottom feed system with roller presser foot

Double needle machine is available also with bottom + needle feed + flat foot, for tape attaching or heel seam

Convincing price-performance ratio
Available as 1- and 2-needle version
Needle change without tools (single needle machines)
Large capacity hook (L, 26mm bobbin) available
Examples of use

Tape attaching on double needle machine

Double needle heel seam

Joining of synthetic and leather materials

Flexible use in leather upper production

Twin needle decorative and assembly seams

Various operations on heavy leather uppers
Specifications
| Model | 838-180122-M | 838-270122-M |
|---|---|---|
| Air requirement per stroke / Air pressure [NL] [bar] | 0,7 / 6 | 0,7 / 6 |
| Bottom feed and wheel top feed, wheel diameter [mm] | ● 35 | ● 35 |
| Clearance when lifting, electro magnetic [mm] max. | 12 | 12 |
| Dimensions (Length, Width, Height) [mm] | 1.060 / 550 / 1.715 | 1.060 / 550 / 1.715 |
| Lockstitch (301) | ● | ● |
| Needle size [Nm] max. | 120-230 | 120-180 |
| Needle system [Nm max.] * depending on the sewing equipment | 134 LR | 134 LR |
| Nominal voltage [V], [Hz] | 1x230V, 50 / 60 Hz | 1x230V, 50 / 60 Hz |
| Post bed machine with clearance C [mm] D [mm] | C= 280 / D= 300 | C= 280 / D= 300 |
| Power consumption [kVA] max. | 1 | 1 |
| Seam backtacking A = Automatic, Ma= Manual ***= programmable, stitch length 0,5-6,5mm | ● A | ● A |
| Sewing foot lift, automatic | ● | ● |
| Sewing Material SL = very light / L= light / LM = light to medium heavy / M= medium heavy / MS = medium heavy to heavy / S = heavy | S / M | S |
| Single needle | ● | – |
| Stitch length [mm] max. | 8 | 8 |
| Stitches/min. max. *= depending on foot stroke **= depending on foot stroke and stitch length *** = in case of twin needle / three needle version less speed possible – dependent on needle distance ****= selectable per step *****= depending on the use of the stitch loosening device ******= max. 2,500 stitches in combination with conversion kit “Heavy” *******= The sewing speed depends on the type of cam used | 2.000* | 2.000* |
| Thread trimmer | ● | ● |
| Two needles Needle distance [mm] max. | – | ● 1,6-3,2 |
| Vertical hook, large (L, Ø 26 mm) | ● | ● |
| Weight, complete [kg] | 120 | 122 |
| Weight, sewing head [kg] | 59 | 61 |
● Standard ○ Optional
Catalogue
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Data sheets, photos, videos and specifications: Dürkopp Adler.
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