Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility Trailer Manufacturer

3UTVS2536M8183101 · Trailer · TRAILER
Carriers run under3
31 mo
Inspections4
all-time
OOS inspections2
of 4
First seenDec 31, 2023
TX
Last seenJul 29, 2026
TX
Inspected under 3 different carriers in 31 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
3UTVS2536M8183101
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 6, 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
3UT

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
1991 or 2021

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

North American serial sequence
183101

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 · 4,264 decoded VINs at 100.0% prefix purity.

Model
Utility Trailer Manufacturer

Prefix basis · 4,264 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.

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 · Dec 31, 2023 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXI · Full2RS TRANSFER SA DE CV 115682563UG9Y/MX
Nov 11, 2025TXII · Walk-around2OOSRS TRANSFER SA DE CV 115682563UG9Y/MX
Jan 9, 2025ILIII · Driver-only0HR MOTOR EXPRESS LLC 298859663UG9Y/MX
Dec 31, 2023TXII · Walk-around3OOSALEJANDRO CANTU GOMEZ 156892863UG9Y/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RS TRANSFER SA DE CV1156825Nov 11, 2025Jul 29, 20262TA
HR MOTOR EXPRESS LLC2988596Jan 9, 2025Jan 9, 20251TX
ALEJANDRO CANTU GOMEZ1568928Dec 31, 2023Dec 31, 20231TA
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.
63UG9YMX2RS TRANSFER SA DE CVNov 11, 2025Jul 29, 20262
63UG9YMXHR MOTOR EXPRESS LLCJan 9, 2025Jan 9, 20251
63UG9YMXALEJANDRO CANTU GOMEZDec 31, 2023Dec 31, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 6, 2026