SewGraph

juki · verified physical machine

PLC-1691

View cited identity evidence · 5 unique proof passages

Jump to: Proof E1, Proof E2, Proof E3, Proof E4, Proof E5

verified exact machine · 1/3 core systems

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

Maximum sewing speed

conditional

1,600 stitches per minute

  • This is the shared PLC-1690/1691 row value.

Source evidence · 1 unique proof passage: Profile Proof E1

Maximum stitch length

conditional

6 mm

  • This is the shared PLC-1690/1691 row value.

Source evidence · 1 unique proof passage: Profile Proof E1

Post height

conditional

425 mm

  • PLC-1690's 420 mm column is excluded.

Source evidence · 1 unique proof passage: Profile Proof E1

Presser feet and adapters

Lift

conditional

Knee lift: 10.5 mm

  • PLC-1690's 15 mm column is excluded; this is not a shank or fit claim.

Source evidence · 1 unique proof passage: Profile Proof E1

Alternating vertical movement

conditional

2-7 mm

  • This is the shared PLC-1690/1691 row range.

Source evidence · 1 unique proof passage: Profile Proof E1

Needles and threading

System

conditional

134×35R (Nm120)

  • Only the exact shared needle row is supported.

Source evidence · 1 unique proof passage: Profile Proof E1

Supported size range

conditional

Nm100-Nm140

  • Only the exact shared row range is supported.

Source evidence · 1 unique proof passage: Profile Proof E1

Sources for the owner answers above
Official OEM PDF

What this passage supports

  • Maximum sewing speed: 1,600 stitches per minute
  • Maximum stitch length: 6 mm
  • Post height: 425 mm
  • Lift: Knee lift: 10.5 mm
  • Alternating vertical movement: 2-7 mm
  • System: 134×35R (Nm120)
  • Supported size range: Nm100-Nm140
Model name: PLC-1691. Max. sewing speed: 1,600sti/min. Max. stitch length: 6mm. Presser foot: By knee: 10.5mm. Post height: 425mm. Alternating vertical movement: 2~7mm. Needle: 134×35R (Nm120) Nm100~Nm140.
Document
JUKI America Non-Apparel catalog
Issuer
JUKI America
Extraction
Visually verified transcription of a scanned page
Visual verification
Checked 2026-09-12T23:18:00Z. The page image and transcription are hash-bound in the evidence record.
PDF page
12
Open source
Open cited PDF at page 12Open OEM source or support page
Advanced technical receipt
Asset SHA-256
04e53e9b99ad5399b1af28b02fbcede6815fcd869d0d7ddf2d701dacbf965e8c
Locator
357e955c4aca32c2d71083f8b16a9d4fa03ad75a760a72280e0292b4ca2be598
Destination status
direct_pdf
Machine facets and OEM groups

Cited machine facets

Identity and compatibility badges

Identity families, physical traits, and OEM accessory groups stay separate. A group badge applies only to its named program and domains.

needle system134×35R
Detailed specifications, compatible parts, and source library

Evidence coverage

Core answers and cited items

Machine category

industrial lockstitch

View machine-type evidence · 1 unique proof passage: Proof E6

View proof JSONReport this claim

Core domains answered: needle

Domains with cited compatible items: None yet

bobbinReviewed — not established
gauge setunknown
needleCore answer answered

Unknown is not incompatible. A missing answer means the current official evidence does not support one yet.

Specifications

Documented machine facts

Multiple cited representations for one field share one row. SewGraph preserves every value and exact proof passage; it does not guess which representation is “raw” or “normalized” when the public projection does not label that distinction.

needle

needle system134×35R

View exact evidence · 1 unique proof passage: Proof E7

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.

PLC-1690 (With a vertical-axis 1.6-fold capacity hook) PLC-1691 (With a vertical-axis sta

machine catalog

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

JUKI America Non-Apparel catalog

machine catalog

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

JUKI 2026 non-apparel general catalog

machine catalog

Open official source destination · 1 unique proof passage: Proof E3

Evidence library

7 exact proof passages from 3 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.

Open exact proof passages · 7 unique proof passages
Official OEM PDF

What this passage proves

  • Identity — printed machine name: PLC-1691
(standard hook) PLC-1691 (1-needle) LG-158-1U The high post-bed machine
Document
JUKI America Non-Apparel catalog
Issuer
JUKI America
Extraction
native
PDF page
12
Open source
Open cited PDF at page 12Open OEM source or support page
Advanced technical receipt
Asset SHA-256
04e53e9b99ad5399b1af28b02fbcede6815fcd869d0d7ddf2d701dacbf965e8c
Locator
18d6359f579ee33899032e5c7beea3bd5a92d6ccf94764ad8f531e42ccc67aef
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — printed machine name: PLC-1691
PLC-1691 1-needle, High Post-bed, Unison Feed, Lockstitch
Document
PLC-1690 (With a vertical-axis 1.6-fold capacity hook) PLC-1691 (With a vertical-axis sta
Issuer
JUKI
Extraction
native
PDF page
1
Open source
Open cited PDF at page 1Open OEM source or support page
Advanced technical receipt
Asset SHA-256
65552d9849a793efba18c1ee358902dbb26b106424ba239f3775c6e15292f65e
Locator
b4f75beac4fd7052a049d99fd0e0855b021f8770c93b93e419b5ae4550edf216
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — printed machine name: PLC-1691
PLC-1691
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
12
Open source
Open cited PDF at page 12Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
eaaf9556f1c6ea8f0fbad061a2fee681599687b386294c90d1d07066d38f9053
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — model code: PLC-1691
PLC-1691
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
12
Open source
Open cited PDF at page 12Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
bbb63653c5a1cb947d626119557c9131fe1fda333d2f12f041f2d3e9033266b2
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — preferred display name: PLC-1691
PLC-1691
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
12
Open source
Open cited PDF at page 12Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
bbbf2f10102987e5fc6c483275c9d18e8f66d4bcbe2e458eac3581141b7eb835
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Machine category — machine type: industrial lockstitch
PLC-1691 1-needle, High Post-bed, Unison Feed, Lockstitch
Document
PLC-1690 (With a vertical-axis 1.6-fold capacity hook) PLC-1691 (With a vertical-axis sta
Issuer
JUKI
Extraction
native
PDF page
1
Open source
Open cited PDF at page 1Open OEM source or support page
Advanced technical receipt
Asset SHA-256
65552d9849a793efba18c1ee358902dbb26b106424ba239f3775c6e15292f65e
Locator
ed64b995149cad80730152f6f2512d8ab875b7fe520b3054eec47caa198f45e3
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • needle fact — needle system: 134×35R
  • Needle answer — 134×35R
PLC-1691
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
12
Open source
Open cited PDF at page 12Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
49d0375a4368a77133334aebd7c342df484b8dd4edc223befa470aa19600d39b
Destination status
direct_pdf

What is supported, and what remains open?

0 supported answers and 7 answers with conditions or remaining limits. Evidence coverage is not a probability of accuracy.

Unresolved owner questions (1)
  • Mount or fit: Not established — Not yet verified: The reviewed catalog row states lift/movement only; mount, shank, holder, adapter and foot compatibility remain unknown.

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