Equipment unit · VIN-decoded · NHTSA vPIC

1996 Heil Trailer International

5HTSN4228T7T04510 · Trailer · TRAILER
Carriers run under2
34 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 20, 2023
SC
Last seenMay 11, 2026
SC
Inspected under 2 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
5HTSN4228T7T04510
Make
Heil Trailer International
Model
Heil Trailer International
Model year
1996
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
8 · valid

Deterministic · position 9; calculated value 8.

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
T04510

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
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 · Jul 20, 2023 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026SCIII · Driver-only1R O HARRELL INC 8432465681PT/SC
Apr 21, 2026SCIII · Driver-only7OOSR O HARRELL INC 8432465681PT/SC
Aug 22, 2023SCIII · Driver-only1SOUTHERN TANK TRANSPORT INC 54830465681PT/SC
Jul 20, 2023SCIII · Driver-only1SOUTHERN TANK TRANSPORT INC 54830465681PT/SC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R O HARRELL INC84324Apr 21, 2026May 11, 20262VA
SOUTHERN TANK TRANSPORT INC548304Jul 20, 2023Aug 22, 20232SC
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.
65681PTSCR O HARRELL INCApr 21, 2026May 11, 20262
65681PTSCSOUTHERN TANK TRANSPORT INCJul 20, 2023Aug 22, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026