Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W16502A3M5559512 · TRAILER
Carriers run under3
14 mo
Inspections5
all-time
OOS inspections0
of 5
First seenNov 29, 2023
IA
Last seenJan 22, 2025
NE
Inspected under 3 different carriers in 14 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
1W16502A3M5559512
Make
Wilson
Model
Not decoded
Model year
2021
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 4, 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
1W1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
6502A

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
559512

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
WILSON

Prefix basis · 23 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 23 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 29, 2023 – Jan 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2025NEIII · Driver-only2ALAN TEPOOL 1480544PE10803/IN
Aug 13, 2024SDIII · Driver-only1VASCO LLC 410382823678P/SD
Aug 7, 2024MOII · Walk-around2UPTON LIVESTOCK LLC 2530044PE10803/IN
Nov 30, 2023MNIII · Driver-only2VASCO LLC 410382823678P/SD
Nov 29, 2023IAII · Walk-around2VASCO LLC 410382823678P/SD
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALAN TEPOOL1480544Jan 22, 2025Jan 22, 20251IN
VASCO LLC4103828Nov 29, 2023Aug 13, 20243SD
UPTON LIVESTOCK LLC2530044Aug 7, 2024Aug 7, 20241IA
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.
PE10803INALAN TEPOOLJan 22, 2025Jan 22, 20251
23678PSDVASCO LLCNov 29, 2023Aug 13, 20243
PE10803IN2UPTON LIVESTOCK LLCAug 7, 2024Aug 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026