Equipment unit · VIN-decoded · NHTSA vPIC

5DN154420FB000223

Not yet decoded
Carriers run under2
18 mo
Inspections2
all-time
OOS inspections0
of 2
First seenDec 11, 2024
IL
Last seenJun 24, 2026
WI
Inspected under 2 different carriers in 18 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1985 or 2015

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

North American serial sequence
000223

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 · Dec 11, 2024 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026WIIII · Driver-only1WEEKS TRANSPORT INC 1076674879693/WI
Dec 11, 2024ILII · Walk-around2GRATZ OUTDOOR SERVICES INC 1637654795810/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEEKS TRANSPORT INC1076674Jun 24, 2026Jun 24, 20261WI
GRATZ OUTDOOR SERVICES INC1637654Dec 11, 2024Dec 11, 20241IL
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.
879693WI2WEEKS TRANSPORT INCJun 24, 2026Jun 24, 20261
795810WIGRATZ OUTDOOR SERVICES INCDec 11, 2024Dec 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC