Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility Trailer Manufacturer

1UYVS2538M7197111 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under3
32 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJul 19, 2023
IL
Last seenMar 6, 2026
UT
Inspected under 3 different carriers in 32 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
1UYVS2538M7197111
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
197111

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.

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. Model-year-scoped rules stay suppressed here because position 10 alone cannot establish the year.

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 · Jul 19, 2023 – Mar 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 6, 2026UTIII · Driver-only0—ROCKY H TRUCKING LLC 3868502255B137/TX
Mar 5, 2026ORIII · Driver-only2OOSROCKY H TRUCKING LLC 3868502255B137/TX
Aug 26, 2025TXI · Full4OOSROCKY BROTHERS TRANSPORTATION LLC 4274257255B137/TX
Jul 13, 2025MOII · Walk-around0—ROCKY H TRUCKING LLC 3868502255B137/TX
Jun 20, 2025TNIII · Driver-only1—ROCKY H TRUCKING LLC 3868502255B137/TX
Mar 18, 2025ILIII · Driver-only0—ROCKY H TRUCKING LLC 3868502—
Jul 19, 2023ILI · Full2OOSRDC EXPRESS INC 1261944724825ST/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKY H TRUCKING LLC3868502Mar 18, 2025Mar 6, 20265TX
ROCKY BROTHERS TRANSPORTATION LLC4274257Aug 26, 2025Aug 26, 20251TX
RDC EXPRESS INC1261944Jul 19, 2023Jul 19, 20231IL
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.
255B137TX—ROCKY H TRUCKING LLCJun 20, 2025 → Mar 6, 20264
255B137TX—ROCKY BROTHERS TRANSPORTATION LLCAug 26, 2025 → Aug 26, 20251
—OT—ROCKY H TRUCKING LLCMar 18, 2025 → Mar 18, 20251
724825STIL—RDC EXPRESS INCJul 19, 2023 → Jul 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026