Equipment unit · VIN-decoded · NHTSA vPIC

2014 Wilson Trailer Co.

4WW5482A8E6621648 · TRAILER
Carriers run under3
33 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 13, 2023
WA
Last seenMay 12, 2026
WA
Inspected under 3 different carriers in 33 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
4WW5482A8E6621648
Make
Wilson Trailer Co.
Model
Not decoded
Model year
2014
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 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
4WW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5482A

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1984 or 2014

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

North American serial sequence
621648

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON TRAILER CO.

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 13, 2023 – May 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2026WAI · Full3ZINCO TRANSPORT LTD 251021506531L/BC
Sep 2, 2024SDIII · Driver-only0BEST SOURCE TRANSPORT LTD 300984835844K/BC
Jun 19, 2024MTIII · Driver-only0BEST SOURCE TRANSPORT LTD 300984835844K/BC
Apr 25, 2024MNIII · Driver-only2BEST SOURCE TRANSPORT LTD 300984835844K/BC
Mar 29, 2024NDIII · Driver-only0BEST SOURCE TRANSPORT LTD 300984835844K/BC
Feb 5, 2024COIII · Driver-only0BEST SOURCE TRANSPORT LTD 3009848354844K/BC
Jan 5, 2024MTIII · Driver-only0BEST SOURCE TRANSPORT LTD 300984835844K/BC
Nov 7, 2023USI · Full3SAN LUIS INTERNATIONAL FREIGHT SERVICES LLC 46325235844K/BC
Aug 13, 2023WAII · Walk-around0BEST SOURCE TRANSPORT LTD 300984835844K/BC
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZINCO TRANSPORT LTD2510215May 12, 2026May 12, 20261BC
BEST SOURCE TRANSPORT LTD3009848Aug 13, 2023Sep 2, 20247BC
SAN LUIS INTERNATIONAL FREIGHT SERVICES LLC463252Nov 7, 2023Nov 7, 20231AZ
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.
06531LBCZINCO TRANSPORT LTDMay 12, 2026May 12, 20261
35844KBCBEST SOURCE TRANSPORT LTDAug 13, 2023Sep 2, 20246
354844KBCBEST SOURCE TRANSPORT LTDFeb 5, 2024Feb 5, 20241
35844KBCSAN LUIS INTERNATIONAL FREIGHT SERVICES LLCNov 7, 2023Nov 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026