Equipment unit · VIN-decoded · NHTSA vPIC

2024 Boydstun Metal Works

1B9CS4522RP275048 · TRAILER
Carriers run under2
17 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJan 28, 2025
IN
Last seenJun 29, 2026
WI
Inspected under 2 different carriers in 17 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
1B9CS4522RP275048
Make
Boydstun Metal Works
Model
Not decoded
Model year
2024
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 7, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
275048

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
2024

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 · Jan 28, 2025 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026WIII · Walk-around9OOSMSL EXPRESS INC 4168399QB20KQ/FL
Jun 29, 2026WIII · Walk-around9OOSMSL EXPRESS INC 4168399QB20KQ/FL
Sep 7, 2025WIIII · Driver-only12AVL TRANSPORT INC 3743453QB20KQ/FL
Feb 4, 2025OHII · Walk-around5AVL TRANSPORT INC 3743453UNKNOWN/FL
Jan 28, 2025INIII · Driver-only5AVL TRANSPORT INC 37434533572CY/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MSL EXPRESS INC4168399Jun 29, 2026Jun 29, 20262IL
AVL TRANSPORT INC3743453Jan 28, 2025Sep 7, 20253NY
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.
QB20KQFL2MSL EXPRESS INCJun 29, 2026Jun 29, 20262
QB20KQFLAVL TRANSPORT INCSep 7, 2025Sep 7, 20251
UNKNOWNFLAVL TRANSPORT INCFeb 4, 2025Feb 4, 20251
3572CYFLAVL TRANSPORT INCJan 28, 2025Jan 28, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 7, 2026