Equipment unit · VIN-decoded · NHTSA vPIC

2023 Utility Trailer Manufacturer

1UYVS2531P3937626 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under4
26 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 10, 2023
NM
Last seenNov 16, 2025
AR
Inspected under 4 different carriers in 26 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
1UYVS2531P3937626
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
1 · valid

Deterministic · position 9; calculated value 1.

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
937626

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 · Sep 10, 2023 – Nov 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 16, 2025ARIII · Driver-only0H L B AND ASSOCIATES INC 4804754UZ9755/CA
May 14, 2024USII · Walk-around4OOSSPG TRANSPORTATION INC 28811434UZ9755/CA
Apr 11, 2024CAV · Vehicle-only0KAL FREIGHT INC 25116204UZ9755/CA
Jan 19, 2024MOIII · Driver-only1SPG TRANSPORTATION INC 28811434UZ9755/CA
Sep 10, 2023NMII · Walk-around0PRO TEC INC 25967824UZ9755/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
H L B AND ASSOCIATES INC480475Nov 16, 2025Nov 16, 20251TX
SPG TRANSPORTATION INC2881143Jan 19, 2024May 14, 20242TX
KAL FREIGHT INC2511620Apr 11, 2024Apr 11, 20241TX
PRO TEC INC2596782Sep 10, 2023Sep 10, 20231GA
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.
4UZ9755CAH L B AND ASSOCIATES INCNov 16, 2025Nov 16, 20251
4UZ9755CASPG TRANSPORTATION INCJan 19, 2024May 14, 20242
4UZ9755CAKAL FREIGHT INCApr 11, 2024Apr 11, 20241
4UZ9755CAPRO TEC INCSep 10, 2023Sep 10, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026