Equipment unit · VIN-decoded · NHTSA vPIC

2024 Western Trailer Company

5DN154424RB000181 · Trailer · TRAILER
Carriers run under3
29 mo
Inspections8
all-time
OOS inspections2
of 8
First seenMar 13, 2024
CA
Last seenAug 28, 2026
CA
Inspected under 3 different carriers in 29 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
5DN154424RB000181
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1994 or 2024

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

North American serial sequence
000181

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
2024

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 · Mar 13, 2024 – Aug 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2026CAV · Vehicle-only3SANDOVAL & SONS TRANSPORT LLC 40680424VS7253/CA
Aug 21, 2026CAIII · Driver-only6SANDOVAL & SONS TRANSPORT LLC 40680424VS7253/CA
Apr 29, 2026CAIII · Driver-only3OOSSANDOVAL & SONS TRANSPORT LLC 40680424VS7253/CA
Jan 6, 2026CAII · Walk-around0R & R TRUCKING LLC 28763714VS7253/CA
Feb 26, 2025CAIII · Driver-only1SANDOVAL & SONS TRANSPORT LLC 40680424VS7253/CA
Jan 15, 2025CAII · Walk-around7OOSSANDOVAL & SONS TRANSPORT LLC 40680424VS7253/CA
Nov 4, 2024CAIII · Driver-only0A VALENZUELA TRUCKING INC 27731074VS7253/CA
Mar 13, 2024CAIII · Driver-only0A VALENZUELA TRUCKING INC 27731074VS7253/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SANDOVAL & SONS TRANSPORT LLC4068042Jan 15, 2025Aug 28, 20265CA
R & R TRUCKING LLC2876371Jan 6, 2026Jan 6, 20261CA
A VALENZUELA TRUCKING INC2773107Mar 13, 2024Nov 4, 20242CA
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.
4VS7253CA2SANDOVAL & SONS TRANSPORT LLCJan 15, 2025Aug 28, 20265
4VS7253CAR & R TRUCKING LLCJan 6, 2026Jan 6, 20261
4VS7253CAA VALENZUELA TRUCKING INCMar 13, 2024Nov 4, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026