Equipment unit · VIN-decoded · NHTSA vPIC

5HTAB452237H66791

Not yet decoded
Carriers run under2
32 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJul 22, 2023
CA
Last seenMar 2, 2026
CA
Inspected under 2 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

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
5HT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AB452

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2003 or 2033

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

North American serial sequence
H66791

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 · 112 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 112 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 · Jul 22, 2023 – Mar 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2026CAII · Walk-around2OOSCOBIAN TRANSPORT INC 12218434NX1597/CA
May 29, 2025CAII · Walk-around1COBIAN TRANSPORT INC 12218434NX1597/CA
Jul 22, 2023CAI · Full7OOSPREMIER FUEL DISTRIBUTORS INC 24783384NX1597/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COBIAN TRANSPORT INC1221843May 29, 2025Mar 2, 20262CA
PREMIER FUEL DISTRIBUTORS INC2478338Jul 22, 2023Jul 22, 20231CA
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.
4NX1597CACOBIAN TRANSPORT INCMay 29, 2025Mar 2, 20262
4NX1597CAPREMIER FUEL DISTRIBUTORS INCJul 22, 2023Jul 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC