Equipment unit · VIN-decoded · NHTSA vPIC

2019 Heil Trailer International

5HTSS4221K7103653 · Trailer · TRAILER
Carriers run under2
2 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 2, 2025
SC
Last seenDec 16, 2025
SC
Inspected under 2 different carriers in 2 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
5HTSS4221K7103653
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2019
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
SS422

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1989 or 2019

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

North American serial sequence
103653

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 · 19 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 19 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
2019

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 2, 2025 – Dec 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 16, 2025SCIII · Driver-only1OAKLEY TRANSPORT INC 281321QB51HV/FL
Dec 16, 2025SCIII · Driver-only1HM SEFA TRANSPORTATION LLC 60567437595PT/SC
Dec 15, 2025SCIII · Driver-only1HM SEFA TRANSPORTATION LLC 6056741103893PT/SC
Oct 2, 2025SCIII · Driver-only0HM SEFA TRANSPORTATION LLC 605674110893PT/SC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OAKLEY TRANSPORT INC281321Dec 16, 2025Dec 16, 20251FL
HM SEFA TRANSPORTATION LLC605674Oct 2, 2025Dec 16, 20253SC
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.
QB51HVFLOAKLEY TRANSPORT INCDec 16, 2025Dec 16, 20251
37595PTSCHM SEFA TRANSPORTATION LLCDec 16, 2025Dec 16, 20251
1103893PTSCHM SEFA TRANSPORTATION LLCDec 15, 2025Dec 15, 20251
110893PTSCHM SEFA TRANSPORTATION LLCOct 2, 2025Oct 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026