Equipment unit · VIN-decoded · NHTSA vPIC

2021 J&l J&L Trailers

3H4JS4323M3112138 · Trailer · TRAILER
Carriers run under1
37 mo
Inspections10
all-time
OOS inspections0
of 10
First seenJun 16, 2023
TN
Last seenJul 24, 2026
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H4JS4323M3112138
Make
J&l
Model
J&L Trailers
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
3H4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JS432

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1991 or 2021

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
112138

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
J&L

Prefix basis · 76 decoded VINs at 100.0% prefix purity.

Model
J&L Trailers

Prefix basis · 76 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
J&L

Observed directly for this VIN via NHTSA vPIC.

Observed model
J&L Trailers

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 16, 2023 – Jul 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2026TNIII · Driver-only0UNDERWOOD & WELD CO INC 97210195295T/TN
Jul 15, 2026TNIII · Driver-only0UNDERWOOD & WELD CO INC 97210195295T/TN
Feb 9, 2026TNI · Full0UNDERWOOD & WELD CO INC 97210195295T/TN
Oct 23, 2025TNIII · Driver-only0UNDERWOOD & WELD CO INC 97210195295T/TN
Aug 19, 2025KYIII · Driver-only1UNDERWOOD & WELD CO INC 97210195295T/TN
Oct 10, 2024TNI · Full0UNDERWOOD & WELD CO INC 97210195295T/UK
May 31, 2024TNI · Full0UNDERWOOD & WELD CO INC 97210195295T/TN
Jan 8, 2024TNI · Full0UNDERWOOD & WELD CO INC 97210195295T/UK
Jul 6, 2023TNI · Full0UNDERWOOD & WELD CO INC 97210195295T/TN
Jun 16, 2023TNI · Full2UNDERWOOD & WELD CO INC 97210195295/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNDERWOOD & WELD CO INC97210Jun 16, 2023Jul 24, 202610NC
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
195295TTN2UNDERWOOD & WELD CO INCJul 6, 2023Jul 24, 20267
195295TUKUNDERWOOD & WELD CO INCJan 8, 2024Oct 10, 20242
195295TNUNDERWOOD & WELD CO INCJun 16, 2023Jun 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026