Equipment unit · VIN-decoded · NHTSA vPIC

1T7Y84F21S1221148

Not yet decoded
Carriers run under1
11 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 1, 2025
CA
Last seenMar 12, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
Y84F2

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
221148

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 · 435 decoded VINs at 100.0% prefix purity.

Model
HDX

Prefix basis · 435 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 1, 2025 – Mar 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 12, 2026CAV · Vehicle-only1FULLERTON UNION HIGH SCHOOL DISTRICT 27419671724544/CA
Apr 1, 2025CAV · Vehicle-only0FULLERTON UNION HIGH SCHOOL DISTRICT 2741967EA12U40/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FULLERTON UNION HIGH SCHOOL DISTRICT2741967Apr 1, 2025Mar 12, 20262CA
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.
1724544CAFULLERTON UNION HIGH SCHOOL DISTRICTMar 12, 2026Mar 12, 20261
EA12U40CAFULLERTON UNION HIGH SCHOOL DISTRICTApr 1, 2025Apr 1, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC