Equipment unit · VIN-decoded · NHTSA vPIC

3UTVS2537M8183107

Not yet decoded
Carriers run under2
29 mo
Inspections2
all-time
OOS inspections1
of 2
First seenDec 22, 2023
TX
Last seenMay 8, 2026
MS
Inspected under 2 different carriers in 29 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
7 · valid

Deterministic · position 9; calculated value 7.

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
183107

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.

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 22, 2023 – May 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 8, 2026MSIII · Driver-only0REFRIGERX TRANSPORTATION LLC 390961808UE4M/MX
Dec 22, 2023TXI · Full7OOSEFT EXPRESS SA DE CV 253310508UE4M/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REFRIGERX TRANSPORTATION LLC3909618May 8, 2026May 8, 20261TX
EFT EXPRESS SA DE CV2533105Dec 22, 2023Dec 22, 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.
08UE4MMXREFRIGERX TRANSPORTATION LLCMay 8, 2026May 8, 20261
08UE4MMXEFT EXPRESS SA DE CVDec 22, 2023Dec 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC