Equipment unit · VIN-decoded · NHTSA vPIC

2017 Boydstun Metal Works

1B9FC4527HP275054 · TRAILER
Carriers run under2
18 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 22, 2024
AZ
Last seenJan 22, 2026
IL
Inspected under 2 different carriers in 18 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
1B9FC4527HP275054
Make
Boydstun Metal Works
Model
Not decoded
Model year
2017
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
FC452

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1987 or 2017

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

North American serial sequence
275054

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
2017

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 · Jul 22, 2024 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026ILIII · Driver-only0OLD SCHOOL SPR LLC 44916218526AK/FL
Feb 24, 2025CAII · Walk-around1PROFESSIONAL AUTO TRANSPORT INC 11303144PL6918/CA
Dec 31, 2024NVIII · Driver-only0PROFESSIONAL AUTO TRANSPORT INC 11303144PL6918/CA
Jul 22, 2024AZIII · Driver-only1PROFESSIONAL AUTO TRANSPORT INC 11303144PL6918/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLD SCHOOL SPR LLC4491621Jan 22, 2026Jan 22, 20261FL
PROFESSIONAL AUTO TRANSPORT INC1130314Jul 22, 2024Feb 24, 20253CA
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.
8526AKFLOLD SCHOOL SPR LLCJan 22, 2026Jan 22, 20261
4PL6918CAPROFESSIONAL AUTO TRANSPORT INCJul 22, 2024Feb 24, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026