Equipment unit · VIN-decoded · NHTSA vPIC

1985 Wilkens Manufacturing

1W92M4529FS077819 · Trailer · TRAILER
Carriers run under3
12 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 18, 2025
TX
Last seenJul 16, 2026
TX
Inspected under 3 different carriers in 12 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
1W92M4529FS077819
Make
Wilkens Manufacturing
Model
Wilkens Manufacturing
Model year
1985
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 23, 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
1W9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
2M452

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1985 or 2015

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

North American serial sequence
077819

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
WILKENS MANUFACTURING

Prefix basis · 42 decoded VINs at 100.0% prefix purity.

Model
Wilkens Manufacturing

Prefix basis · 42 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.

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
1985

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILKENS MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilkens Manufacturing

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 18, 2025 – Jul 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 16, 2026TXII · Walk-around4MARIANA GONZALEZ 4564666273B997/TX
Mar 27, 2026TXII · Walk-around3ROGELIO HERNANDEZ 2477568248B788/TX
Aug 22, 2025TXII · Walk-around3AGUILAR TRANSPORTATION LLC 4276389248B788/TX
Jul 18, 2025TXII · Walk-around2OOSAGUILAR TRANSPORTATION LLC 4276389248B788/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARIANA GONZALEZ4564666Jul 16, 2026Jul 16, 20261TX
ROGELIO HERNANDEZ2477568Mar 27, 2026Mar 27, 20261TX
AGUILAR TRANSPORTATION LLC4276389Jul 18, 2025Aug 22, 20252TX
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.
273B997TX2MARIANA GONZALEZJul 16, 2026Jul 16, 20261
248B788TXROGELIO HERNANDEZMar 27, 2026Mar 27, 20261
248B788TXAGUILAR TRANSPORTATION LLCJul 18, 2025Aug 22, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 23, 2026