Equipment unit · VIN-decoded · NHTSA vPIC

2015 Heil Trailer International

5HTAM4426F7H81021 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 11, 2024
TX
Last seenJan 29, 2026
TX
Inspected under 2 different carriers in 24 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
5HTAM4426F7H81021
Make
Heil Trailer International
Model
Not decoded
Model year
2015
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
AM442

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

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

North American serial sequence
H81021

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 · 176 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 176 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 · Jan 11, 2024 – Jan 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 29, 2026TXII · Walk-around1—SWTO LLC 943113DC34874/NC
Jan 1, 2025TXII · Walk-around0—SWTO LLC 943113DC34874/NC
Jan 11, 2024TXII · Walk-around0—SUNOCO RETAIL LLC 10328PT975E7/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SWTO LLC943113Jan 1, 2025Jan 29, 20262NC
SUNOCO RETAIL LLC10328Jan 11, 2024Jan 11, 20241PA
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.
DC34874NC—SWTO LLCJan 1, 2025 → Jan 29, 20262
PT975E7PA—SUNOCO RETAIL LLCJan 11, 2024 → Jan 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026