Equipment unit · VIN-decoded · NHTSA vPIC

2025 Western Trailer Company

5DN154421SB000497 · Trailer · TRAILER
Carriers run under2
26 mo
Inspections6
all-time
OOS inspections1
of 6
First seenMay 6, 2024
CA
Last seenJul 2, 2026
CA
Inspected under 2 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
5DN154421SB000497
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 1, 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
15442

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
000497

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 · 350 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 350 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
2025

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 · May 6, 2024 – Jul 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 2, 2026CAI · Full0JOSE LUIS DE LEON NAVARRO 27399424WC4020/CA
May 28, 2026CAII · Walk-around0JOSE LUIS DE LEON NAVARRO 27399424WC4020/CA
Feb 23, 2026CAI · Full1OOSJOSE LUIS DE LEON NAVARRO 27399424WC4020/CA
Jun 27, 2025CAIII · Driver-only0A & K TRUCKING INC 28149604WC4020/CA
Feb 18, 2025CAI · Full0JOSE LUIS DE LEON NAVARRO 27399424WC4020/CA
May 6, 2024CAII · Walk-around2JOSE LUIS DE LEON NAVARRO 27399424WC4020/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOSE LUIS DE LEON NAVARRO2739942May 6, 2024Jul 2, 20265CA
A & K TRUCKING INC2814960Jun 27, 2025Jun 27, 20251CA
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.
4WC4020CA2JOSE LUIS DE LEON NAVARROMay 6, 2024Jul 2, 20265
4WC4020CAA & K TRUCKING INCJun 27, 2025Jun 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026