Equipment unit · VIN-decoded · NHTSA vPIC

2023 Utility Trailer Manufacturer

1UYVS2538P3973717 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under3
15 mo
Inspections5
all-time
OOS inspections1
of 5
First seenFeb 27, 2025
NM
Last seenMay 20, 2026
OH
Inspected under 3 different carriers in 15 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
1UYVS2538P3973717
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
1UY

Deterministic · VIN positions 1–3.

Vehicle descriptor section
VS253

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
973717

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
UTILITY TRAILER MANUFACTURER

Prefix basis · 107,512 decoded VINs at 100.0% prefix purity.

Model
Utility Trailer Manufacturer

Prefix basis · 107,512 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
UTILITY TRAILER MANUFACTURER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Utility Trailer Manufacturer

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.

VIN-level rule claims

Rules published for individual VIN positions beyond the prefix — applied with the WMI, prefix, and model-year guards each rule was validated under. Year-scoped rules were checked against model year 2023, established by the federal observation agreeing with a position-10 candidate.

Axle configuration
2 axles

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

Body family
Van

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

Trailer length
53 ft

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

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 27, 2025 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026OHII · Walk-around3OOSWSM EXPRESS INC 33468334WC1578/CA
Apr 9, 2026INIII · Driver-only1WSM EXPRESS INC 33468334WC1578/CA
Jan 21, 2026CAII · Walk-around7J&D TRANSPORT INC 31275614WC1578/CA
May 15, 2025INIII · Driver-only1BEST BAY TRUCKING CORPORATION 21782214WC1578/CA
Feb 27, 2025NMIII · Driver-only0BEST BAY TRUCKING CORPORATION 21782214WC1578/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WSM EXPRESS INC3346833Apr 9, 2026May 20, 20262IL
J&D TRANSPORT INC3127561Jan 21, 2026Jan 21, 20261NV
BEST BAY TRUCKING CORPORATION2178221Feb 27, 2025May 15, 20252CA
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.
4WC1578CAWSM EXPRESS INCApr 9, 2026May 20, 20262
4WC1578CAJ&D TRANSPORT INCJan 21, 2026Jan 21, 20261
4WC1578CABEST BAY TRUCKING CORPORATIONFeb 27, 2025May 15, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026