Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility Trailer Manufacturer

3UTVS2533M8181029 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 11, 2023
US
Last seenDec 29, 2025
TX
Inspected under 2 different carriers in 24 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
3UTVS2533M8181029
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
181029

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 11, 2023 – Dec 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 29, 2025TXII · Walk-around4RS TRANSFER SA DE CV 115682565UG9Y/MX
Oct 3, 2025TXII · Walk-around0RS TRANSFER SA DE CV 115682565UG9Y/MX
Jun 17, 2024TXI · Full2GRUPO LOGISTICO HR SA DE CV 323799665UG9Y/MX
Dec 11, 2023USI · Full3RS TRANSFER SA DE CV 115682565UG9Y/TA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RS TRANSFER SA DE CV1156825Dec 11, 2023Dec 29, 20253TA
GRUPO LOGISTICO HR SA DE CV3237996Jun 17, 2024Jun 17, 20241TA
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.
65UG9YMXRS TRANSFER SA DE CVOct 3, 2025Dec 29, 20252
65UG9YMXGRUPO LOGISTICO HR SA DE CVJun 17, 2024Jun 17, 20241
65UG9YTARS TRANSFER SA DE CVDec 11, 2023Dec 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026