Equipment unit · VIN-decoded · NHTSA vPIC

5DN154428LB001504

Not yet decoded
Carriers run under2
24 mo
Inspections2
all-time
OOS inspections2
of 2
First seenJan 2, 2024
CA
Last seenJan 22, 2026
AZ
Inspected under 2 different carriers in 24 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1990 or 2020

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

North American serial sequence
001504

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.

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 2, 2024 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026AZII · Walk-around14OOSRUBEN ZARAGOZA JR 28903964VK5122/CA
Jan 2, 2024CAII · Walk-around3OOS5 STAR COMMODITIES INC 26202184SW6726/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RUBEN ZARAGOZA JR2890396Jan 22, 2026Jan 22, 20261CA
5 STAR COMMODITIES INC2620218Jan 2, 2024Jan 2, 20241CA
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.
4VK5122CARUBEN ZARAGOZA JRJan 22, 2026Jan 22, 20261
4SW6726CA5 STAR COMMODITIES INCJan 2, 2024Jan 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC