Equipment unit · VIN-decoded · NHTSA vPIC

2019 Heil Trailer International

3H4SF4329K3800568 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections4
all-time
OOS inspections0
of 4
First seenFeb 16, 2024
GA
Last seenAug 5, 2026
KY
Inspected under 2 different carriers in 30 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

VIN
3H4SF4329K3800568
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 5, 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
SF432

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
800568

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.

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 · Feb 16, 2024 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026KYI · Full0ARCH WOOD PROTECTION INC 361547WDG856/GA
Nov 18, 2024GAI · Full0ARCH WOOD PROTECTION INC 361547WDG856/GA
Feb 16, 2024GAI · Full0ARCH WOOD PROTECTION INC 361547WDG856/GA
Feb 16, 2024GAIII · Driver-only1OCCW LLC 2198531U463214/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARCH WOOD PROTECTION INC361547Feb 16, 2024Aug 5, 20263GA
OCCW LLC2198531Feb 16, 2024Feb 16, 20241GA
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.
WDG856GA2ARCH WOOD PROTECTION INCFeb 16, 2024Aug 5, 20263
U463214TNOCCW LLCFeb 16, 2024Feb 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 5, 2026