Equipment unit · VIN-decoded · NHTSA vPIC

2006 Heil Trailer International

5HTSN422767U11536 · Trailer · TRAILER
Carriers run under1
14 mo
Inspections4
all-time
OOS inspections2
of 4
First seenAug 26, 2024
TX
Last seenOct 20, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5HTSN422767U11536
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2006
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2006 or 2036

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

North American serial sequence
U11536

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
2006

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 · Aug 26, 2024 – Oct 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2025TXII · Walk-around10OOSHEAVY TRANSPORTATION & MANAGEMENT LLC 2507923133B471/TX
Aug 19, 2025TXII · Walk-around3HEAVY TRANSPORTATION & MANAGEMENT LLC 2507923133B471/TX
May 14, 2025TXI · Full17OOSHEAVY TRANSPORTATION & MANAGEMENT LLC 2507923133B38/TX
Aug 26, 2024TXII · Walk-around11HEAVY TRANSPORTATION & MANAGEMENT LLC 2507923133B439/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEAVY TRANSPORTATION & MANAGEMENT LLC2507923Aug 26, 2024Oct 20, 20254TX
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.
133B471TXHEAVY TRANSPORTATION & MANAGEMENT LLCAug 19, 2025Oct 20, 20252
133B38TXHEAVY TRANSPORTATION & MANAGEMENT LLCMay 14, 2025May 14, 20251
133B439TXHEAVY TRANSPORTATION & MANAGEMENT LLCAug 26, 2024Aug 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026