Equipment unit · VIN-decoded · NHTSA vPIC

2001 Western Trailer Company

5DN1646261B000522 · Trailer · TRAILER
Carriers run under4
25 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJan 9, 2024
CA
Last seenFeb 26, 2026
CA
Inspected under 4 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
5DN1646261B000522
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2001
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
5DN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
16462

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2001 or 2031

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

North American serial sequence
000522

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
WESTERN TRAILER COMPANY

Prefix basis · 24 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 24 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
2001

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN TRAILER COMPANY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Western Trailer Company

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 · Jan 9, 2024 – Feb 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 26, 2026CAII · Walk-around4FVC TRUCKING LLC 4282621HU96351/OR
Jan 16, 2026AZII · Walk-around3NORTHERN ROADS TRUCKING LLC 4374912HU96351/OR
Nov 19, 2025CAV · Vehicle-only3OOSVSV TRUCKING INC 4007501HU96351/OR
Nov 11, 2025CAIII · Driver-only4VSV TRUCKING INC 4007501HU965351/OR
Oct 9, 2024CAV · Vehicle-only1VSV TRUCKING INC 4007501HU96351/OR
Jan 9, 2024CAII · Walk-around1INTERNATIONAL BUILDING MATERIALS LLC 544465HU96351/OR
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FVC TRUCKING LLC4282621Feb 26, 2026Feb 26, 20261CA
NORTHERN ROADS TRUCKING LLC4374912Jan 16, 2026Jan 16, 20261CA
VSV TRUCKING INC4007501Oct 9, 2024Nov 19, 20253CA
INTERNATIONAL BUILDING MATERIALS LLC544465Jan 9, 2024Jan 9, 20241OR
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.
HU96351ORFVC TRUCKING LLCFeb 26, 2026Feb 26, 20261
HU96351ORNORTHERN ROADS TRUCKING LLCJan 16, 2026Jan 16, 20261
HU96351ORVSV TRUCKING INCOct 9, 2024Nov 19, 20252
HU965351ORVSV TRUCKING INCNov 11, 2025Nov 11, 20251
HU96351ORINTERNATIONAL BUILDING MATERIALS LLCJan 9, 2024Jan 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026