Juki DDL-227 Industrial Straight Stitch

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Status: Working (as of 2022-10-18)

Type: High speed single needle lockstitch

Year: 1970s?


  • Materials: advertised as "General fabric, medium to heavy weight material". Handles a wide range of material well, from medium-lightweight (e.g. dress-weight silks) to heavy (e.g. denim, medium-weight leather)
  • Needle: DBx1, size 11-18. Standard size is 12 or 14
  • Thread: Standard is "universal weight" poly/polycotton, Tex 29, Mara 100. Smaller or larger needles may require different thread sizes. Works with bonded nylon thread for leather.
  • Not for book binding. Please use the right tool for the job.


  • Check motor speed if too fast. Dial is on front of motor, turn all the way right for slowest speed
  • Raise foot slightly (using knee lifter) to release tension when turning handwheel

Manual for Juki DDL-227[edit]

PDF - https://www.manualslib.com/manual/1005359/Juki-Ddl-227.html

Repair Log:[edit]

  • 2022-10-18 Hook point broken off, replaced hook asm. Replaced oil.
  • 2022-03-15 Replaced clutch motor with new servo