Equipment unit · VIN-decoded · NHTSA vPIC

2024 Wilson

1W1K45032R2278121 · Trailer · TRAILER
Carriers run under3
26 mo
Inspections7
all-time
OOS inspections3
of 7
First seenNov 7, 2023
ID
Last seenJan 22, 2026
IA
Inspected under 3 different carriers in 26 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
1W1K45032R2278121
Make
Wilson
Model
Wilson
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
K4503

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
278121

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 · 211 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 211 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
2024

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 7, 2023 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026IAIII · Driver-only6OOSKATEN TRUCKING LLC 382632118213P/SD
Jul 28, 2025NEII · Walk-around4TOMBOY TRUCKING LLC 325843918213P/SD
May 22, 2024NEIII · Driver-only0BIG IRON TRUCKING LLC 257591118213P/SD
May 15, 2024WII · Full14OOSBIG IRON TRUCKING LLC 257591118213P/SD
Nov 29, 2023NEIII · Driver-only1BIG IRON TRUCKING LLC 257591118213P/SD
Nov 21, 2023WYI · Full2OOSBIG IRON TRUCKING LLC 2575911278121/TX
Nov 7, 2023IDIII · Driver-only1BIG IRON TRUCKING LLC 257591118213P/SD
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KATEN TRUCKING LLC3826321Jan 22, 2026Jan 22, 20261NE
TOMBOY TRUCKING LLC3258439Jul 28, 2025Jul 28, 20251IA
BIG IRON TRUCKING LLC2575911Nov 7, 2023May 22, 20245IA
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.
18213PSDKATEN TRUCKING LLCJan 22, 2026Jan 22, 20261
18213PSDTOMBOY TRUCKING LLCJul 28, 2025Jul 28, 20251
18213PSDBIG IRON TRUCKING LLCNov 7, 2023May 22, 20244
278121TXBIG IRON TRUCKING LLCNov 21, 2023Nov 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026