Equipment unit · VIN-decoded · NHTSA vPIC

4UZAARDU0HCHX8519

Not yet decoded
Carriers run under2
30 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 29, 2023
NY
Last seenFeb 23, 2026
FL
Inspected under 2 different carriers in 30 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
4UZ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AARDU

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1987 or 2017

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

North American serial sequence
HX8519

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
FREIGHTLINER

Prefix basis · 10 decoded VINs at 100.0% prefix purity.

Model
MT 55 Chassis

Prefix basis · 10 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 · Aug 29, 2023 – Feb 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 23, 2026FLI · Full0FEDERAL EXPRESS CORPORATION 8687654EXAI/FL
Aug 29, 2023NYIII · Driver-only2W B MASON CO INC 34898192718MH/NY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FEDERAL EXPRESS CORPORATION86876Feb 23, 2026Feb 23, 20261TN
W B MASON CO INC348981Aug 29, 2023Aug 29, 20231MA
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.
54EXAIFLFEDERAL EXPRESS CORPORATIONFeb 23, 2026Feb 23, 20261
92718MHNYW B MASON CO INCAug 29, 2023Aug 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC