Equipment unit · VIN-decoded · NHTSA vPIC

1996 Heil Trailer International

5HTAB4422T7H60023 · Trailer · TRAILER
Carriers run under4
13 mo
Inspections6
all-time
OOS inspections0
of 6
First seenOct 24, 2023
AZ
Last seenNov 14, 2024
TX
Inspected under 4 different carriers in 13 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
5HTAB4422T7H60023
Make
Heil Trailer International
Model
Heil Trailer International
Model year
1996
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
AB442

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1996 or 2026

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

North American serial sequence
H60023

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 · 605 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 605 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
1996

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 24, 2023 – Nov 14, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 14, 2024TXII · Walk-around10WILLIAMS IGNACIO NARCIA LEON 30895594UF5870/CA
Nov 7, 2024TXII · Walk-around3YAZMIN LILIANA FRAGOSO INZUNZA 37568564UF5870/CA
Mar 13, 2024AZII · Walk-around0GUILLERMO EDUARDO ZAVALA 28973144UF5870/CA
Nov 16, 2023AZIII · Driver-only1SOUTHBAY TRANSPORT INC 18379734UF5870/CA
Oct 25, 2023AZII · Walk-around0WILLIAMS IGNACIO NARCIA LEON 30895594UF5870/CA
Oct 24, 2023AZI · Full12WILLIAMS IGNACIO NARCIA LEON 30895594UF5870/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAMS IGNACIO NARCIA LEON3089559Oct 24, 2023Nov 14, 20243SO
YAZMIN LILIANA FRAGOSO INZUNZA3756856Nov 7, 2024Nov 7, 20241SO
GUILLERMO EDUARDO ZAVALA2897314Mar 13, 2024Mar 13, 20241CA
SOUTHBAY TRANSPORT INC1837973Nov 16, 2023Nov 16, 20231CA
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.
4UF5870CAWILLIAMS IGNACIO NARCIA LEONOct 24, 2023Nov 14, 20243
4UF5870CAYAZMIN LILIANA FRAGOSO INZUNZANov 7, 2024Nov 7, 20241
4UF5870CAGUILLERMO EDUARDO ZAVALAMar 13, 2024Mar 13, 20241
4UF5870CASOUTHBAY TRANSPORT INCNov 16, 2023Nov 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026