Equipment unit · VIN-decoded · NHTSA vPIC

2019 Heil Trailer International

3H4SS4224K3710841 · Trailer · TRAILER
Carriers run under3
8 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 26, 2024
OK
Last seenJun 19, 2025
OK
Inspected under 3 different carriers in 8 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
3H4SS4224K3710841
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
SS422

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
710841

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 · Oct 26, 2024 – Jun 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 19, 2025OKIII · Driver-only0KEVIN HUNTER TRUCKING LLC 2030729BR7818/OK
Dec 13, 2024OKIII · Driver-only0PLATINUM SPECIALTY SERVICES LLC 2958588BR7818/OK
Oct 26, 2024OKIII · Driver-only0RAMBO TRUCKING INC 1789404BR7818/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KEVIN HUNTER TRUCKING LLC2030729Jun 19, 2025Jun 19, 20251OK
PLATINUM SPECIALTY SERVICES LLC2958588Dec 13, 2024Dec 13, 20241OK
RAMBO TRUCKING INC1789404Oct 26, 2024Oct 26, 20241OK
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.
BR7818OKKEVIN HUNTER TRUCKING LLCJun 19, 2025Jun 19, 20251
BR7818OKPLATINUM SPECIALTY SERVICES LLCDec 13, 2024Dec 13, 20241
BR7818OKRAMBO TRUCKING INCOct 26, 2024Oct 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 5, 2026