Equipment unit · VIN-decoded · NHTSA vPIC

2012 Heil Trailer International

5HTDL4529C7H45124 · Trailer · TRAILER
Carriers run under1
10 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 21, 2025
TX
Last seenApr 24, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5HTDL4529C7H45124
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
DL452

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1982 or 2012

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

North American serial sequence
H45124

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 · 134 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 134 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
2012

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 · Jun 21, 2025 – Apr 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 24, 2026TXII · Walk-around2OOSBIG STAR TRANSPORTATION LLC 2186770DS9523/OK
Dec 15, 2025TXII · Walk-around0BIG STAR TRANSPORTATION LLC 2186770DS9523/OK
Jun 21, 2025TXIII · Driver-only1BIG STAR TRANSPORTATION LLC 2186770DS9374/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG STAR TRANSPORTATION LLC2186770Jun 21, 2025Apr 24, 20263OK
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.
DS9523OKBIG STAR TRANSPORTATION LLCDec 15, 2025Apr 24, 20262
DS9374OKBIG STAR TRANSPORTATION LLCJun 21, 2025Jun 21, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026