Equipment unit · VIN-decoded · NHTSA vPIC

1998 Wilson Trailer Co.

4WWBGB6BXWM601411 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMay 22, 2024
CA
Last seenJun 1, 2026
CA
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
4WWBGB6BXWM601411
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
1998
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 15, 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
BGB6B

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1998 or 2028

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

North American serial sequence
601411

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 TRAILER CO.

Prefix basis · 227 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 227 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
1998

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON TRAILER CO.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson Trailer Co.

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 · May 22, 2024 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026CAII · Walk-around4OOSMELCHOR TRUCKING INC 27776244FD9163/CA
Jan 20, 2026CAIII · Driver-only1YTC INC 40454124FD9163/CA
Jul 10, 2024CAII · Walk-around4OOSYTC INC 40454124FD9163/CA
May 22, 2024CAI · Full7YTC INC 40454124FD9163/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MELCHOR TRUCKING INC2777624Jun 1, 2026Jun 1, 20261CA
YTC INC4045412May 22, 2024Jan 20, 20263CA
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.
4FD9163CAMELCHOR TRUCKING INCJun 1, 2026Jun 1, 20261
4FD9163CAYTC INCMay 22, 2024Jan 20, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 15, 2026