Equipment unit · VIN-decoded · NHTSA vPIC

2020 Western Trailer Company

5DN115347LB000509 · Trailer · TRAILER
Carriers run under3
25 mo
Inspections4
all-time
OOS inspections3
of 4
First seenJan 5, 2024
WA
Last seenFeb 25, 2026
OR
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
5DN115347LB000509
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2020
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
11534

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
000509

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 · 384 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 384 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
2020

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 5, 2024 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026ORIII · Driver-only2OOSMICHAEL T SMITH 193984628860AL/WA
Nov 20, 2025WAII · Walk-around1OOSMICHAEL T SMITH 193984628860AL/WA
Mar 19, 2025WAIII · Driver-only0RJ TRUCKLINE LLC 40277312574010/ME
Jan 5, 2024WAII · Walk-around1OOSRAI SAAB TRANSPORT LLC 40936582574010/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MICHAEL T SMITH1939846Nov 20, 2025Feb 25, 20262WA
RJ TRUCKLINE LLC4027731Mar 19, 2025Mar 19, 20251WA
RAI SAAB TRANSPORT LLC4093658Jan 5, 2024Jan 5, 20241WA
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.
28860ALWAMICHAEL T SMITHNov 20, 2025Feb 25, 20262
2574010MERJ TRUCKLINE LLCMar 19, 2025Mar 19, 20251
2574010MERAI SAAB TRANSPORT LLCJan 5, 2024Jan 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026