Equipment unit · VIN-decoded · NHTSA vPIC

2021 Western Trailer Company

5DN154426MB000675 · Trailer · TRAILER
Carriers run under3
20 mo
Inspections5
all-time
OOS inspections1
of 5
First seenAug 21, 2023
CA
Last seenApr 7, 2025
CA
Inspected under 3 different carriers in 20 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
5DN154426MB000675
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 1, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1991 or 2021

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

North American serial sequence
000675

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
2021

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 21, 2023 – Apr 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 7, 2025CAII · Walk-around11OOSVALLEY VIEW AGRIBUSINESS 42810474TD9362/CA
Dec 29, 2023CAII · Walk-around1EL COYOL TRUCKING LLC 28857134TD9362/CA
Nov 23, 2023CAI · Full0EL COYOL TRUCKING LLC 28857134TD9362/CA
Nov 13, 2023CAII · Walk-around0EL COYOL TRUCKING LLC 28857134TD9362/CA
Aug 21, 2023CAII · Walk-around3ROBERTO G SOSA 27298714TD9362/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VALLEY VIEW AGRIBUSINESS4281047Apr 7, 2025Apr 7, 20251CA
EL COYOL TRUCKING LLC2885713Nov 13, 2023Dec 29, 20233CA
ROBERTO G SOSA2729871Aug 21, 2023Aug 21, 20231CA
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.
4TD9362CAVALLEY VIEW AGRIBUSINESSApr 7, 2025Apr 7, 20251
4TD9362CAEL COYOL TRUCKING LLCNov 13, 2023Dec 29, 20233
4TD9362CAROBERTO G SOSAAug 21, 2023Aug 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026