Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility Trailer Manufacturer

1UYVS2531M2210715 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under3
6 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMar 26, 2025
CA
Last seenSep 30, 2025
OK
Inspected under 3 different carriers in 6 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
1UYVS2531M2210715
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 8, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1991 or 2021

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

North American serial sequence
210715

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
2021

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 2021, 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 · Mar 26, 2025 – Sep 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 30, 2025OKII · Walk-around3M & S TRANSPORT INC 25697254WN6048/CA
Jun 25, 2025ORIII · Driver-only0NP ROAD INC 43364244WN6048/CA
Jun 11, 2025ARII · Walk-around10OOSNP ROAD INC 43364244WN6048/CA
Mar 26, 2025CAIII · Driver-only2OOSBS MANN TRUCKING INC 3766152641755/KS
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M & S TRANSPORT INC2569725Sep 30, 2025Sep 30, 20251IL
NP ROAD INC4336424Jun 11, 2025Jun 25, 20252CA
BS MANN TRUCKING INC3766152Mar 26, 2025Mar 26, 20251CA
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.
4WN6048CAM & S TRANSPORT INCSep 30, 2025Sep 30, 20251
4WN6048CANP ROAD INCJun 11, 2025Jun 25, 20252
641755KSBS MANN TRUCKING INCMar 26, 2025Mar 26, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026