Equipment unit · VIN-decoded · NHTSA vPIC

1999 Utility Trailer Manufacturer

1UYVS2536XU725802 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under2
22 mo
Inspections14
all-time
OOS inspections1
of 14
First seenSep 18, 2024
TX
Last seenJul 30, 2026
TX
Inspected under 2 different carriers in 22 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
1UYVS2536XU725802
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1999 or 2029

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

North American serial sequence
725802

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
1999

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 1999, 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 18, 2024 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026TXI · Full4SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Apr 13, 2026TXI · Full2SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/CI
Feb 11, 2026USI · Full11SERGIO VALENZUELA SIERRA 89017003TZ6X/MX
Feb 3, 2026USI · Full5OOSSERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Jan 21, 2026TXI · Full4SERGIO VALENZUELA SIERRA 89017003TZ6X/MX
Jan 2, 2026TXI · Full5SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Dec 22, 2025TXI · Full2SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Dec 15, 2025TXI · Full6SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Jun 18, 2025TXI · Full3SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Jan 29, 2025TXI · Full3SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Jan 22, 2025TXI · Full2SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Jan 18, 2025TXII · Walk-around2SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
Dec 12, 2024TXI · Full1SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/CI
Sep 18, 2024TXI · Full15SERGIO IVAN VALENZUELA PEREZ 310411903TZ6X/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERGIO IVAN VALENZUELA PEREZ3104119Sep 18, 2024Jul 30, 202612CI
SERGIO VALENZUELA SIERRA890170Jan 21, 2026Feb 11, 20262CI
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.
03TZ6XMX2SERGIO IVAN VALENZUELA PEREZSep 18, 2024Jul 30, 202610
03TZ6XCISERGIO IVAN VALENZUELA PEREZDec 12, 2024Apr 13, 20262
03TZ6XMXSERGIO VALENZUELA SIERRAJan 21, 2026Feb 11, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026