Equipment unit · VIN-decoded · NHTSA vPIC

2009 Western Trailer Company

5DN1544239B000172 · Trailer · TRAILER
Carriers run under2
28 mo
Inspections6
all-time
OOS inspections0
of 6
First seenFeb 6, 2024
CA
Last seenJun 24, 2026
CA
Inspected under 2 different carriers in 28 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
5DN1544239B000172
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2009
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 27, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
2009 or 2039

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

North American serial sequence
000172

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
2009

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 · Feb 6, 2024 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026CAIII · Driver-only2A RODRIGUEZ & SONS TRANSPORT INC 27227854LL2423/CA
May 13, 2026CAIII · Driver-only0A RODRIGUEZ & SONS TRANSPORT INC 27227854LL2423/CA
Apr 14, 2026CAI · Full2A RODRIGUEZ & SONS TRANSPORT INC 27227854LL2423/CA
Sep 6, 2024CAI · Full0JOSE M VELAZQUEZ 27210394LL2423/CA
Jul 8, 2024CAIII · Driver-only0JOSE M VELAZQUEZ 27210394LL2423/CA
Feb 6, 2024CAII · Walk-around1JOSE M VELAZQUEZ 27210394LL2423/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A RODRIGUEZ & SONS TRANSPORT INC2722785Apr 14, 2026Jun 24, 20263CA
JOSE M VELAZQUEZ2721039Feb 6, 2024Sep 6, 20243CA
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.
4LL2423CA2A RODRIGUEZ & SONS TRANSPORT INCApr 14, 2026Jun 24, 20263
4LL2423CAJOSE M VELAZQUEZFeb 6, 2024Sep 6, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026