Equipment unit · VIN-decoded · NHTSA vPIC

1999 Heil Trailer International

5HTSN4226X7T06892 · Trailer · TRAILER
Carriers run under4
34 mo
Inspections6
all-time
OOS inspections2
of 6
First seenSep 26, 2023
TX
Last seenJul 28, 2026
TX
Inspected under 4 different carriers in 34 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
5HTSN4226X7T06892
Make
Heil Trailer International
Model
Heil Trailer International
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 1, 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
5HT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SN422

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1999 or 2029

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

North American serial sequence
T06892

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 · 454 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 454 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
1999

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 · Sep 26, 2023 – Jul 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 28, 2026TXII · Walk-around3OOSSCHWERMAN TRUCKING COMPANY 46595641667/WI
Dec 9, 2025TXII · Walk-around1SCHWERMAN TRUCKING COMPANY 46595641667/WI
Nov 11, 2025TXII · Walk-around1SCHWERMAN TRUCKING COMPANY 46595641667/WI
Apr 10, 2025TXII · Walk-around0JUAN DANIEL TELLEZ NEGRETE 4224127641667/WI
Dec 20, 2023TXII · Walk-around0DELSA LOGISTICS MEXICO S DE RL DE CV 2561661641667/WI
Sep 26, 2023TXII · Walk-around4OOSJ AZTECA EXPRESS DE MEXICO 3244271641667/WI
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SCHWERMAN TRUCKING COMPANY46595Nov 11, 2025Jul 28, 20263WI
JUAN DANIEL TELLEZ NEGRETE4224127Apr 10, 2025Apr 10, 20251CH
DELSA LOGISTICS MEXICO S DE RL DE CV2561661Dec 20, 2023Dec 20, 20231CH
J AZTECA EXPRESS DE MEXICO3244271Sep 26, 2023Sep 26, 20231CH
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.
641667WI2SCHWERMAN TRUCKING COMPANYNov 11, 2025Jul 28, 20263
641667WIJUAN DANIEL TELLEZ NEGRETEApr 10, 2025Apr 10, 20251
641667WIDELSA LOGISTICS MEXICO S DE RL DE CVDec 20, 2023Dec 20, 20231
641667WIJ AZTECA EXPRESS DE MEXICOSep 26, 2023Sep 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026