Equipment unit · VIN-decoded · NHTSA vPIC

5HTSS4221K7610147

Not yet decoded
Carriers run under1
24 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 23, 2024
OH
Last seenJul 29, 2026
OH
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
SS422

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1989 or 2019

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

North American serial sequence
610147

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 · 19 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 19 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 23, 2024 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026OHII · Walk-around1FORREST TRUCKING COMPANY 209346TRF5697/OH
Jul 23, 2024OHIII · Driver-only0FORREST TRUCKING COMPANY 209346TRF5697/OH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FORREST TRUCKING COMPANY209346Jul 23, 2024Jul 29, 20262OH
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.
TRF5697OH2FORREST TRUCKING COMPANYJul 23, 2024Jul 29, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC