Equipment unit · VIN-decoded · NHTSA vPIC

4U3S00517ML019858

Not yet decoded
Carriers run under2
36 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 24, 2023
AR
Last seenJul 31, 2026
MI
Inspected under 2 different carriers in 36 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
S0051

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
019858

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 · Jul 24, 2023 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026MIIII · Driver-only1APM TRANS GROUP INC 28475371023983ST/IL
Oct 7, 2025OHIII · Driver-only1APM TRANS GROUP INC 28475371023983ST/IL
Jul 24, 2023ARIII · Driver-only0CARACAS TRANSPORTATION INC 2642025737965ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
APM TRANS GROUP INC2847537Oct 7, 2025Jul 31, 20262IL
CARACAS TRANSPORTATION INC2642025Jul 24, 2023Jul 24, 20231IL
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.
1023983STIL2APM TRANS GROUP INCOct 7, 2025Jul 31, 20262
737965STILCARACAS TRANSPORTATION INCJul 24, 2023Jul 24, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC