Equipment unit · VIN-decoded · NHTSA vPIC

2011

5WSAA4326BN041898 · TRAILER
Carriers run under3
20 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJun 16, 2023
TX
Last seenFeb 25, 2025
TX
Inspected under 3 different carriers in 20 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

VIN
5WSAA4326BN041898
Make
Not decoded
Model
Not decoded
Model year
2011
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
5WS

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AA432

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1981 or 2011

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

North American serial sequence
041898

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 16, 2023 – Feb 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2025TXII · Walk-around1OOSWESTERN DAIRY TRANSPORT LLC 149047405L4PR/MO
Apr 5, 2024TXII · Walk-around11OOSRONALD ARMSTRONG 297684905L4PR/MO
Jun 16, 2023TXII · Walk-around0INES RAQUEL MEJIAS DIAZ 255730805L4PR/MO
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTERN DAIRY TRANSPORT LLC1490474Feb 25, 2025Feb 25, 20251MO
RONALD ARMSTRONG2976849Apr 5, 2024Apr 5, 20241TX
INES RAQUEL MEJIAS DIAZ2557308Jun 16, 2023Jun 16, 20231KS
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.
05L4PRMOWESTERN DAIRY TRANSPORT LLCFeb 25, 2025Feb 25, 20251
05L4PRMORONALD ARMSTRONGApr 5, 2024Apr 5, 20241
05L4PRMOINES RAQUEL MEJIAS DIAZJun 16, 2023Jun 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026