Equipment unit · VIN-decoded · NHTSA vPIC

2017 Utility Trailer Manufacturer

1UYFS2537H5044001 · Trailer · TRAILER
Axles · 2 axlesBody · FlatLength · 53 ft
Carriers run under3
14 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 25, 2025
TX
Last seenMay 22, 2026
US
Inspected under 3 different carriers in 14 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
1UYFS2537H5044001
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2017
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
FS253

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1987 or 2017

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

North American serial sequence
044001

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 · 3,515 decoded VINs at 100.0% prefix purity.

Model
Utility Trailer Manufacturer

Prefix basis · 3,515 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
2017

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 2017, 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
Flat

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 25, 2025 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026USI · Full7OOSJUANA GUADALUPE LOPEZ BARRON 13434503056309/ME
Sep 12, 2025MOIII · Driver-only0NORTH AMERICAN SPECIALIZED TRANSPORT CORP 28979123056309/ME
Sep 3, 2025ARIII · Driver-only0NORTH AMERICAN SPECIALIZED TRANSPORT CORP 28979123056309/ME
Mar 25, 2025TXI · Full2KATHERIN DENISSE ALPUCHE CANSECO 42191413056309/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JUANA GUADALUPE LOPEZ BARRON1343450May 22, 2026May 22, 20261TA
NORTH AMERICAN SPECIALIZED TRANSPORT CORP2897912Sep 3, 2025Sep 12, 20252MI
KATHERIN DENISSE ALPUCHE CANSECO4219141Mar 25, 2025Mar 25, 20251TA
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.
3056309MEJUANA GUADALUPE LOPEZ BARRONMay 22, 2026May 22, 20261
3056309MENORTH AMERICAN SPECIALIZED TRANSPORT CORPSep 3, 2025Sep 12, 20252
3056309MEKATHERIN DENISSE ALPUCHE CANSECOMar 25, 2025Mar 25, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026