Equipment unit · VIN-decoded · NHTSA vPIC

2015 Heil Trailer International

5HTSN422XF7T94389 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 15, 2023
AL
Last seenNov 18, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5HTSN422XF7T94389
Make
Heil Trailer International
Model
Heil Trailer International
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
SN422

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
T94389

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
2015

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 · Sep 15, 2023 – Nov 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 18, 2025TXII · Walk-around1SILICA TRANSPORT INC 11284PT198276/AR
Oct 3, 2024MSII · Walk-around2SILICA TRANSPORT INC 11284PT198276/AR
Sep 15, 2023ALIII · Driver-only0SILICA TRANSPORT INC 11284PR198276/AR
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SILICA TRANSPORT INC11284Sep 15, 2023Nov 18, 20253AR
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.
PT198276ARSILICA TRANSPORT INCOct 3, 2024Nov 18, 20252
PR198276ARSILICA TRANSPORT INCSep 15, 2023Sep 15, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026