Equipment unit · VIN-decoded · NHTSA vPIC

2022 Western Trailer Company

5DN175343NB000153 · Trailer · TRAILER
Carriers run under3
25 mo
Inspections4
all-time
OOS inspections3
of 4
First seenJan 26, 2024
WA
Last seenFeb 18, 2026
WA
Inspected under 3 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
5DN175343NB000153
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 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
17534

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1992 or 2022

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

North American serial sequence
000153

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 · 7 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 7 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
2022

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 26, 2024 – Feb 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 18, 2026WAII · Walk-around1OOSAMAR TRANSPORT SERVICE LLC 387166288218AL/WA
Feb 10, 2026WAII · Walk-around1OOSAMAR TRANSPORT SERVICE LLC 387166288218AL/WA
Mar 1, 2024WAIII · Driver-only1MICHAEL T SMITH 193984673437AJ/WA
Jan 26, 2024WAII · Walk-around2OOSSEMINGSON EXPLORATION INC 65977273437AJ/WA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMAR TRANSPORT SERVICE LLC3871662Feb 10, 2026Feb 18, 20262WA
MICHAEL T SMITH1939846Mar 1, 2024Mar 1, 20241WA
SEMINGSON EXPLORATION INC659772Jan 26, 2024Jan 26, 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.
88218ALWAAMAR TRANSPORT SERVICE LLCFeb 10, 2026Feb 18, 20262
73437AJWAMICHAEL T SMITHMar 1, 2024Mar 1, 20241
73437AJWASEMINGSON EXPLORATION INCJan 26, 2024Jan 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026