Equipment unit · VIN-decoded · NHTSA vPIC

2019 Heil Trailer International

3H4SS4222K3711180 · Trailer · TRAILER
Carriers run under1
15 mo
Inspections5
all-time
OOS inspections0
of 5
First seenMar 8, 2024
TX
Last seenJun 19, 2025
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H4SS4222K3711180
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 29, 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
3H4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS422

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
711180

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 · 127 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 127 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
HEIL TRAILER INTERNATIONAL

Observed directly for this VIN via NHTSA vPIC.

Observed model
Heil Trailer International

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 · Mar 8, 2024 – Jun 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 19, 2025LAII · Walk-around0ROCK SOLID STABILIZATION & RECLAMATION INC 1633451277102E/MT
Jan 7, 2025ARIII · Driver-only1ROCK SOLID STABILIZATION & RECLAMATION INC 1633451277102E/MT
Jun 24, 2024ILIII · Driver-only0ROCK SOLID STABILIZATION & RECLAMATION INC 1633451277102E/MT
Apr 18, 2024TXII · Walk-around0ROCK SOLID STABILIZATION & RECLAMATION INC 1633451277102E/MT
Mar 8, 2024TXII · Walk-around0ROCK SOLID STABILIZATION & RECLAMATION INC 1633451277102E/MT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCK SOLID STABILIZATION & RECLAMATION INC1633451Mar 8, 2024Jun 19, 20255IL
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.
277102EMTROCK SOLID STABILIZATION & RECLAMATION INCMar 8, 2024Jun 19, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026