SewGraph

JUKI · verified physical machine

TSN-421U

View cited identity evidence · 2 unique proof passages

Jump to: Proof E3, Proof E4

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

Maximum sewing speed

conditional

800sti/min

  • Only exact TSN-421U in printed 18 lower right, shared TSH/TSN/TSC/TSU table on physical PDF page 13 (printed 18); the retained JUKI February 2026 Rev01 catalog sets specifications, not everyday operating recommendations. No adjacent model, suffix, edition or region transfer.

Source evidence · 1 unique proof passage: Profile Proof E1

Maximum stitch length

conditional

11mm

  • Only exact TSN-421U in printed 18 lower right, shared TSH/TSN/TSC/TSU table on physical PDF page 13 (printed 18); the retained JUKI February 2026 Rev01 catalog sets specifications, not everyday operating recommendations. No adjacent model, suffix, edition or region transfer.

Source evidence · 1 unique proof passage: Profile Proof E1

Distance from needle to machine arm

conditional

420mm

  • Only exact TSN-421U in printed 18 lower right, shared TSH/TSN/TSC/TSU table on physical PDF page 13 (printed 18); the retained JUKI February 2026 Rev01 catalog sets specifications, not everyday operating recommendations. No adjacent model, suffix, edition or region transfer.

Source evidence · 1 unique proof passage: Profile Proof E1

Presser feet and adapters

Specified table value

conditional

By pedal: 20mm

  • Only exact TSN-421U in printed 18 lower right, shared TSH/TSN/TSC/TSU table on physical PDF page 13 (printed 18); the retained JUKI February 2026 Rev01 catalog sets specifications, not everyday operating recommendations. No adjacent model, suffix, edition or region transfer. Lift or movement does not establish foot mount or item fit.

Source evidence · 1 unique proof passage: Profile Proof E1

Needles and threading

Printed needle specification

conditional

794 (Nm230) Nm130~Nm280

  • Only exact TSN-421U in printed 18 lower right, shared TSH/TSN/TSC/TSU table on physical PDF page 13 (printed 18); the retained JUKI February 2026 Rev01 catalog sets specifications, not everyday operating recommendations. No adjacent model, suffix, edition or region transfer. Literal catalog notation only; no supplied/recommended/equivalent needle or installation instruction is inferred.

Source evidence · 1 unique proof passage: Profile Proof E1

Thread range

conditional

#8~#0, B92~B207, Nm=30/3~15/3

  • Only exact TSN-421U in printed 18 lower right, shared TSH/TSN/TSC/TSU table on physical PDF page 13 (printed 18); the retained JUKI February 2026 Rev01 catalog sets specifications, not everyday operating recommendations. No adjacent model, suffix, edition or region transfer. Thread range does not establish fabric, needle or brand fit.

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

  • Maximum sewing speed: 800sti/min
  • Maximum stitch length: 11mm
  • Distance from needle to machine arm: 420mm
  • Specified table value: By pedal: 20mm
  • Printed needle specification: 794 (Nm230) Nm130~Nm280
  • Thread range: #8~#0, B92~B207, Nm=30/3~15/3
Model name: TSN-421U; capabilities.maximum_sewing_speed: 800sti/min; capabilities.maximum_stitch_length: 11mm; capabilities.distance_from_needle_to_machine_arm: 420mm; presser_foot.specified_table_value: By pedal: 20mm; needle.printed_needle_specification: 794 (Nm230) Nm130~Nm280; needle.thread_range: #8~#0, B92~B207, Nm=30/3~15/3
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
Visually verified transcription of a scanned page
Visual verification
Checked 2026-09-29T06:05:00Z. The page image and transcription are hash-bound in the evidence record.
PDF page
13
Open source
Open cited PDF at page 13Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
75201eda708b74027d7e876a135f4138c8db3325b720c79f235c43c6ad02d947
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 2026 non-apparel general catalog

machine catalog

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

Evidence library

2 exact proof passages from 1 OEM document

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: TSN-421U
TSH-411U, TSN-421U, TSC-441U, TSU-471U 18 Bartacking
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
4
Open source
Open cited PDF at page 4Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
f3366b598430536824c57cba521aabbeebc5a63a94003c592acac769d19296c3
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — printed machine name: TSN-421U
TSH-411U, TSN-421U, TSC-441U, TSU-471U 18 Bartacking Machine
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
native
PDF page
4
Open source
Open cited PDF at page 4Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
e7d0b268397602e0a8cc28b19cbb7ac2e7a86bab661002b2e18824e69d77413d
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — model code: TSN-421U
TSN-421U
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
Native document text
PDF page
13
Open source
Open cited PDF at page 13Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
6743f273c945f4ec2234fe6fe40efe696fda696de83c2fd17e4d7b246da8f28a
Destination status
direct_pdf
Official OEM PDF

What this passage proves

  • Identity — preferred display name: TSN-421U
TSN-421U
Document
JUKI 2026 non-apparel general catalog
Issuer
JUKI
Extraction
Native document text
PDF page
13
Open source
Open cited PDF at page 13Open OEM source or support page
Advanced technical receipt
Asset SHA-256
adcd36071ddf8a75929bd7e00d285157bd25ddeecfefb6a7c6825e2b24a47c28
Locator
9623e3a338fca16bc153a88bd723aebc07d0a26e2589f29e869098d28505e2d6
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 fit: Not established — Not yet verified: This table does not establish mount, holder, adapter or compatible feet.
  • Class or fit: Not established — Not yet verified: No bobbin class, case, part or interchangeability is 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