SewGraph

JUKI · verified physical machine

LK-1900CH

View cited identity evidence · 2 unique proof passages

Jump to: Proof E2, Proof E3

Identity verified · evidence for each owner answer

Identity verified · evidence for each answer

Using and maintaining this machine

Check the conditions alongside each answer. Foot attachment, shank type and adapter requirements are separate; one does not establish universal accessory fit.

Features and specifications

Application

conditional

For heavy-weight materials

  • Only exact LK-1900CH, upper LK-1900C table, column 2, retained JUKI 2025 apparel catalog physical page 19 (printed 29); published specification, not recommended operating setting or compatible product.

Source evidence · 1 unique proof passage: Profile Proof E1

Maximum sewing speed

conditional

3,300sti/min

  • Only exact LK-1900CH, upper LK-1900C table, column 2, retained JUKI 2025 apparel catalog physical page 19 (printed 29); published specification, not recommended operating setting or compatible product.

Source evidence · 1 unique proof passage: Profile Proof E1

Sewing area

conditional

30mm (L) × 40mm (W)

  • Only exact LK-1900CH, upper LK-1900C table, column 2, retained JUKI 2025 apparel catalog physical page 19 (printed 29); published specification, not recommended operating setting or compatible product.

Source evidence · 1 unique proof passage: Profile Proof E1

Stitch length

conditional

0.1~10mm (0.1mm step)

  • Only exact LK-1900CH, upper LK-1900C table, column 2, retained JUKI 2025 apparel catalog physical page 19 (printed 29); published specification, not recommended operating setting or compatible product.

Source evidence · 1 unique proof passage: Profile Proof E1

Presser feet and adapters

Work clamp foot lift

conditional

Work-clamp-foot lift: Standard 14mm (17mm when the reverse-rotation needle-up function)

  • Only exact LK-1900CH, upper LK-1900C table, column 2, retained JUKI 2025 apparel catalog physical page 19 (printed 29); published specification, not recommended operating setting or compatible product. This is work-clamp lift, not foot mount or accessory fit.

Source evidence · 1 unique proof passage: Profile Proof E1

Needles and threading

Needle at delivery

conditional

Needle at delivery: DP×17 (#21)

  • Only exact LK-1900CH, upper LK-1900C table, column 2, retained JUKI 2025 apparel catalog physical page 19 (printed 29); published specification, not recommended operating setting or compatible product. Not standardized fitment or substitution advice.

Source evidence · 1 unique proof passage: Profile Proof E1

Bobbins and hook

Sources for the owner answers above
Official OEM PDF

What this passage supports

  • Application: For heavy-weight materials
  • Maximum sewing speed: 3,300sti/min
  • Sewing area: 30mm (L) × 40mm (W)
  • Stitch length: 0.1~10mm (0.1mm step)
  • Work clamp foot lift: Work-clamp-foot lift: Standard 14mm (17mm when the reverse-rotation needle-up function)
  • Needle at delivery: Needle at delivery: DP×17 (#21)
printed_model: LK-1900CH; application: For heavy-weight materials; max_speed: 3,300sti/min; sewing_area: 30mm (L) × 40mm (W); stitch_length: 0.1~10mm (0.1mm step); foot_lift: Standard 14mm (17mm when the reverse-rotation needle-up function); needle_at_delivery: DP×17 (#21)
Document
JUKI 2025 apparel general catalog
Issuer
JUKI
Extraction
Visually verified transcription of a scanned page
Visual verification
Checked 2026-09-29T12:16:00Z. The page image and transcription are hash-bound in the evidence record.
PDF page
19
Open source
Open cited PDF at page 19Open OEM source or support page
Advanced technical receipt
Asset SHA-256
863f2f06427d5ec91e83263514ecf257b6fdf771add42d438935efcf5e446e3b
Locator
f7d2a37ec8c7a15c3aa496916dc8e90afd4bb45ff25d15db0e760abc0409ccd1
Destination status
direct_pdf
Detailed specifications, compatible parts, and source library

Catalog evidence coverage

Catalog claims and cited items

Machine category:Not established in catalog evidence

Catalog core domains answered: None yet

Catalog domains with cited compatible items: None yet

Catalog unknown is not incompatible.Owner answers above are reviewed separately from catalog core-domain claims.

Catalog identity evidence

The catalog section below preserves identity-scoped claims. Reviewed owner answers above are published from separate exact citations and do not establish generic item fit.

View identity evidence · 2 unique proof passages: Proof E1, Proof E2

Official source library

Documents used on this page

Open the exact OEM PDF page or captured HTML edition when a safe destination exists; otherwise SewGraph labels the OEM support-page fallback honestly.

JUKI LK-1900C Series optional products catalog

accessory compatibility

Open official source destination · 1 unique proof passage: Proof E2

JUKI 2025 apparel general catalog

machine catalog

Open official source destination · 1 unique proof passage: Proof E1

Evidence library

2 exact proof passages from 2 OEM documents

Every passage below says exactly what visible fact it proves. Repeated references to the same locator are counted once; identity evidence never counts as compatibility evidence.

Catalog compatibility proof passages: 0.The passages below support catalog identity facts only; owner-answer sources are listed separately above.

Open exact proof passages · 2 unique proof passages
Official OEM PDF

What this passage proves

  • Identity — printed machine name: LK-1900CH
Model name LK-1900CS LK-1900CH
Document
JUKI 2025 apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
19
Open source
Open cited PDF at page 19Open OEM source or support page
Advanced technical receipt
Asset SHA-256
863f2f06427d5ec91e83263514ecf257b6fdf771add42d438935efcf5e446e3b
Locator
6dc2c733c2e0f41adc576f3222544386feadaba929cc83bbffcf0f54528c993b
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — printed machine name: LK-1900CH
LK-1900CS LK-1900CH LK-1900CF LK-1900CW LK-1900CB Machine
Document
JUKI LK-1900C Series optional products catalog
Issuer
JUKI
Extraction
native
PDF page
6
Open source
Open cited PDF at page 6Open OEM source or support page
Advanced technical receipt
Asset SHA-256
0dbce7c52d835167b8b0acecde465f898e076e683b49422f8b85216a5457dbcc
Locator
827d0f44884580c5d5257fd0af3d6cfaba9a43f93918e158a20ca07d0f614d28
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — model code: LK-1900CH
LK-1900CH
Document
JUKI 2025 apparel general catalog
Issuer
JUKI
Extraction
Native document text
PDF page
19
Open source
Open cited PDF at page 19Open OEM source or support page
Advanced technical receipt
Asset SHA-256
863f2f06427d5ec91e83263514ecf257b6fdf771add42d438935efcf5e446e3b
Locator
945c22d5e073624317ed0a2c508304988a5da5a76689eb7f1a8decff59bb2630
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — preferred display name: LK-1900CH
LK-1900CH
Document
JUKI 2025 apparel general catalog
Issuer
JUKI
Extraction
Native document text
PDF page
19
Open source
Open cited PDF at page 19Open OEM source or support page
Advanced technical receipt
Asset SHA-256
863f2f06427d5ec91e83263514ecf257b6fdf771add42d438935efcf5e446e3b
Locator
f2f20dc132fccc16f7041948cae9bcae0ac62bf125fb1e1f62500567d4225997
Destination status
direct_pdf

What is supported, and what remains open?

0 supported answers and 6 answers with conditions or remaining limits. Evidence coverage is not a probability of accuracy.

Unresolved owner questions (2)
  • Mount or accessory fit: Not established — Not yet verified: No exact foot mount or accessory fit is established.
  • Bobbin class: Not established — Not yet verified: No bobbin class established.

Report a correction or share an OEM source

Advanced provenance and dataset receipt

Public snapshot a1cc1aceef228fcf33329e37165ab888ce5b9fe3f13eb56967ae0fbf41d8d8a7

Catalog e156281c7d3048027b5ac89e7476be8f54dd5a9309505e96260b0455d3cd2a7e · exact native quotes only · dossier method sewgraph-model-dossier-v2