Equipment unit · VIN-decoded · NHTSA vPIC

3H4SS4229M3111548

Not yet decoded
Carriers run under1
13 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 28, 2023
MO
Last seenDec 5, 2024
MO
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
3H4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS422

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
111548

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.

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 · Nov 28, 2023 – Dec 5, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 5, 2024MOIII · Driver-only0FISCHER TRANSPORTATION LLC 230609011B226/MO
Nov 28, 2023MOII · Walk-around3FISCHER TRANSPORTATION LLC 230609011B226/MO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FISCHER TRANSPORTATION LLC2306090Nov 28, 2023Dec 5, 20242MO
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.
11B226MOFISCHER TRANSPORTATION LLCNov 28, 2023Dec 5, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC