Equipment unit · VIN-decoded · NHTSA vPIC

4U3J05734SL023967

Not yet decoded
Carriers run under1
9 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 8, 2025
IA
Last seenNov 19, 2025
IA
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
J0573

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1995 or 2025

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

North American serial sequence
023967

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 · 5 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 5 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 8, 2025 – Nov 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 19, 2025IAIII · Driver-only23OOSHEAVY HAUL TRANSPORT LLC 3507944231038A/ME
Feb 8, 2025IAIII · Driver-only6HEAVY HAUL TRANSPORT LLC 3507944231038A/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEAVY HAUL TRANSPORT LLC3507944Feb 8, 2025Nov 19, 20252OH
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.
231038AMEHEAVY HAUL TRANSPORT LLCFeb 8, 2025Nov 19, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC