Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility Trailer Manufacturer

1UYVS2531M2045801 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under4
35 mo
Inspections11
all-time
OOS inspections2
of 11
First seenOct 25, 2023
CA
Last seenSep 17, 2026
TX
Inspected under 4 different carriers in 35 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
1UYVS2531M2045801
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Oct 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
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
045801

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 · Oct 25, 2023 – Sep 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 17, 2026TXII · Walk-around3OOSPANJAB EXPRESS INC 43810504UB6040/CA
Sep 17, 2026TXII · Walk-around3OOSPANJAB EXPRESS INC 43810504UB6040/CA
Apr 10, 2026IAIII · Driver-only4—SAMARTH TRANSPORTATION INC 36336754UB6040/CA
Nov 6, 2025CAII · Walk-around0—SANT DARBARA SINGH INC 30157564UB6040/CA
Apr 12, 2025CAIII · Driver-only1—BRL INC 34738104UB6040/CA
Apr 9, 2025NMII · Walk-around0—BRL INC 34738104UB6040/CA
May 24, 2024NVII · Walk-around0—BRL INC 34738104UB6040/CA
May 1, 2024CAV · Vehicle-only0—BRL INC 34738104UB6040/CA
Feb 16, 2024NMIII · Driver-only1—SANT DARBARA SINGH INC 30157564UB6040/CA
Nov 27, 2023INIII · Driver-only1—SANT DARBARA SINGH INC 30157564UB6040/CA
Oct 25, 2023CAII · Walk-around0—BRL INC 34738104UB6040/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PANJAB EXPRESS INC4381050Sep 17, 2026Sep 17, 20262CA
SAMARTH TRANSPORTATION INC3633675Apr 10, 2026Apr 10, 20261CA
SANT DARBARA SINGH INC3015756Nov 27, 2023Nov 6, 20253CA
BRL INC3473810Oct 25, 2023Apr 12, 20255CA
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.
4UB6040CA2PANJAB EXPRESS INCSep 17, 2026 → Sep 17, 20262
4UB6040CA—SAMARTH TRANSPORTATION INCApr 10, 2026 → Apr 10, 20261
4UB6040CA—SANT DARBARA SINGH INCNov 27, 2023 → Nov 6, 20253
4UB6040CA—BRL INCOct 25, 2023 → Apr 12, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Oct 11, 2026