Equipment unit · VIN-decoded · NHTSA vPIC

2025 Thomas Built HDX

1T7Y84E27S1219647 · Bus - School Bus · BUS
Carriers run under1
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 9, 2024
CA
Last seenMay 21, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1T7Y84E27S1219647
Make
Thomas Built
Model
HDX
Model year
2025
Body class
Bus - School Bus
Vehicle type
BUS
GVWR
Not decoded
Decoded at
Jul 7, 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
1T7

Deterministic · VIN positions 1–3.

Vehicle descriptor section
Y84E2

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1995 or 2025

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

North American serial sequence
219647

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
THOMAS BUILT

Prefix basis · 930 decoded VINs at 100.0% prefix purity.

Model
HDX

Prefix basis · 930 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 · Apr 9, 2024 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026CAV · Vehicle-only0—AMERICAN TRANSPORTATION SYSTEMS 11512289MFH412/CA
Dec 1, 2025CAV · Vehicle-only0—AMERICAN TRANSPORTATION SYSTEMS 11512289MFH412/CA
Apr 18, 2025CAV · Vehicle-only0—AMERICAN TRANSPORTATION SYSTEMS 11512289MFH412/CA
Apr 9, 2024CAV · Vehicle-only0—AMERICAN TRANSPORTATION SYSTEMS 1151228—
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMERICAN TRANSPORTATION SYSTEMS1151228Apr 9, 2024May 21, 20264CA
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.
9MFH412CA—AMERICAN TRANSPORTATION SYSTEMSApr 18, 2025 → May 21, 20263
—CA—AMERICAN TRANSPORTATION SYSTEMSApr 9, 2024 → Apr 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026