Equipment unit · VIN-decoded · NHTSA vPIC

3H4SF4322N3115722

Not yet decoded
Carriers run under1
21 mo
Inspections2
all-time
OOS inspections1
of 2
First seenMay 22, 2024
LA
Last seenFeb 25, 2026
TX
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
3H4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SF432

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1992 or 2022

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

North American serial sequence
115722

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
HEIL TRAILER INTERNATIONAL

Prefix basis · 38 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 38 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 · May 22, 2024 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026TXII · Walk-around5OOSRON AND SIDNEY EXPRESS LLC 2428803126B249/TX
May 22, 2024LAII · Walk-around2RON AND SIDNEY EXPRESS LLC 2428803126B249/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RON AND SIDNEY EXPRESS LLC2428803May 22, 2024Feb 25, 20262TX
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.
126B249TXRON AND SIDNEY EXPRESS LLCMay 22, 2024Feb 25, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC