Equipment unit · VIN-decoded · NHTSA vPIC

2028 Boydstun Metal Works

1B9CS4526WP275548 · TRAILER
Carriers run under2
0 mo
Inspections2
all-time
OOS inspections1
of 2
First seenAug 11, 2025
US
Last seenAug 20, 2025
TX
Inspected under 2 different carriers in 0 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
1B9CS4526WP275548
Make
Boydstun Metal Works
Model
Not decoded
Model year
2028
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
1B9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
CS452

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1998 or 2028

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

North American serial sequence
275548

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2028

Observed directly for this VIN via NHTSA vPIC.

Observed make
BOYDSTUN METAL WORKS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 11, 2025 – Aug 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 20, 2025TXII · Walk-around10OOSDULMAR AUTOPARTS SERVICES 253926534Y992V/TX
Aug 11, 2025USIII · Driver-only0JOSE EVERARDO CAVAZOS PASSEMENT 338820358Z98OV/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DULMAR AUTOPARTS SERVICES2539265Aug 20, 2025Aug 20, 20251TX
JOSE EVERARDO CAVAZOS PASSEMENT3388203Aug 11, 2025Aug 11, 20251TA
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.
34Y992VTXDULMAR AUTOPARTS SERVICESAug 20, 2025Aug 20, 20251
58Z98OVTXJOSE EVERARDO CAVAZOS PASSEMENTAug 11, 2025Aug 11, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026