Equipment unit · VIN-decoded · NHTSA vPIC

2020 Western Trailer Company

5DN154420LB000329 · Trailer · TRAILER
Carriers run under1
25 mo
Inspections10
all-time
OOS inspections2
of 10
First seenAug 2, 2023
TX
Last seenSep 17, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DN154420LB000329
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
000329

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
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 · Aug 2, 2023 – Sep 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 17, 2025TXII · Walk-around8OOSDAIRY COW COMPOST LLC 1526777220B089/TX
Jan 8, 2025TXII · Walk-around5DAIRY COW COMPOST LLC 1526777220B089/TX
Oct 16, 2024KSII · Walk-around5OOSDAIRY COW COMPOST LLC 1526777220B089/TX
Oct 8, 2024TXII · Walk-around3DAIRY COW COMPOST LLC 1526777220B089/TX
Aug 16, 2024TXII · Walk-around1DAIRY COW COMPOST LLC 1526777220B089/TX
Jul 26, 2024TXII · Walk-around2DAIRY COW COMPOST LLC 1526777220B089/TX
Mar 21, 2024TXI · Full12DAIRY COW COMPOST LLC 1526777220B089/TX
Mar 15, 2024TXII · Walk-around8DAIRY COW COMPOST LLC 1526777220B089/TX
Mar 13, 2024AZIII · Driver-only2DAIRY COW COMPOST LLC 1526777220B089/TX
Aug 2, 2023TXII · Walk-around1DAIRY COW COMPOST LLC 1526777192C892/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAIRY COW COMPOST LLC1526777Aug 2, 2023Sep 17, 202510TX
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.
220B089TXDAIRY COW COMPOST LLCMar 13, 2024Sep 17, 20259
192C892TXDAIRY COW COMPOST LLCAug 2, 2023Aug 2, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026