Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W14422A1M7720501 · TRAILER
Carriers run under2
25 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 22, 2023
SD
Last seenOct 17, 2025
MN
Inspected under 2 different carriers in 25 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
1W14422A1M7720501
Make
Wilson
Model
Not decoded
Model year
2021
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
4422A

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
720501

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 · 25 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 25 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 · Sep 22, 2023 – Oct 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 17, 2025MNIII · Driver-only1RED ROCK EXPRESS LLC 19936950130STX/MN
Aug 15, 2024SDIII · Driver-only0WAYNE DE GROOT TRUCKING LLC 32320090130STX/MN
Sep 22, 2023SDII · Walk-around5OOSRED ROCK EXPRESS LLC 19936950130STX/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RED ROCK EXPRESS LLC1993695Sep 22, 2023Oct 17, 20252MN
WAYNE DE GROOT TRUCKING LLC3232009Aug 15, 2024Aug 15, 20241MN
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.
0130STXMNRED ROCK EXPRESS LLCSep 22, 2023Oct 17, 20252
0130STXMNWAYNE DE GROOT TRUCKING LLCAug 15, 2024Aug 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026