Equipment unit · VIN-decoded · NHTSA vPIC

4U3J05329ML020126

Not yet decoded
Carriers run under2
23 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 13, 2023
PA
Last seenOct 30, 2025
MI
Inspected under 2 different carriers in 23 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
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
J0532

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
020126

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 · 168 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 168 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 · Nov 13, 2023 – Oct 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 30, 2025MIIII · Driver-only1DILLER COMPANY LLC 1747015PT016T8/PA
Nov 13, 2023PAII · Walk-around2M BYLER TRANSPORTATION LLC 2255761PT564M0/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DILLER COMPANY LLC1747015Oct 30, 2025Oct 30, 20251PA
M BYLER TRANSPORTATION LLC2255761Nov 13, 2023Nov 13, 20231PA
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.
PT016T8PADILLER COMPANY LLCOct 30, 2025Oct 30, 20251
PT564M0PAM BYLER TRANSPORTATION LLCNov 13, 2023Nov 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC