Equipment unit · VIN-decoded · NHTSA vPIC

4U3S0051XNL020729

Not yet decoded
Carriers run under1
18 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 14, 2024
OK
Last seenAug 25, 2025
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
4U3

Deterministic · VIN positions 1–3.

Vehicle descriptor section
S0051

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1992 or 2022

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

North American serial sequence
020729

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
X-L SPECIALIZED TRAILERS INC

Prefix basis · 124 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 124 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.

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 · Feb 14, 2024 – Aug 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 25, 2025COIII · Driver-only0MIDWEST TRANSPORT LLC 3208954694934/KS
Feb 14, 2024OKII · Walk-around3OOSMIDWEST TRANSPORT LLC 3208954694934/KS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MIDWEST TRANSPORT LLC3208954Feb 14, 2024Aug 25, 20252KS
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.
694934KSMIDWEST TRANSPORT LLCFeb 14, 2024Aug 25, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC