Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W1K44125M7722118 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections4
all-time
OOS inspections0
of 4
First seenNov 22, 2023
MN
Last seenJan 12, 2026
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W1K44125M7722118
Make
Wilson
Model
Wilson
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
1W1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
K4412

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
722118

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 · 118 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 118 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
Wilson

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 · Nov 22, 2023 – Jan 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2026SDIII · Driver-only1C CARLSON INC 641673FX0036/IA
Dec 9, 2025IAII · Walk-around1C CARLSON INC 641673FX0036/IA
Oct 14, 2024IAIII · Driver-only1C CARLSON INC 641673FX0036/IA
Nov 22, 2023MNIII · Driver-only2C CARLSON INC 641673FX0036/IA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C CARLSON INC641673Nov 22, 2023Jan 12, 20264IA
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.
FX0036IAC CARLSON INCNov 22, 2023Jan 12, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026