Equipment unit · VIN-decoded · NHTSA vPIC

2014 Thomas Built HDX

1T7YU4E29E1273984 · Bus - School Bus · BUS
Carriers run under2
15 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 1, 2024
CA
Last seenOct 9, 2025
CA
Inspected under 2 different carriers in 15 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
1T7YU4E29E1273984
Make
Thomas Built
Model
HDX
Model year
2014
Body class
Bus - School Bus
Vehicle type
BUS
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
YU4E2

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1984 or 2014

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

North American serial sequence
273984

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 · 427 decoded VINs at 100.0% prefix purity.

Model
HDX

Prefix basis · 427 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
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
THOMAS BUILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
HDX

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Bus - School Bus

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
BUS

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 1, 2024 – Oct 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 9, 2025CAV · Vehicle-only0WASHINGTON UNION SCHOOL DISTRICT 26101121439005/CA
Oct 7, 2025CAV · Vehicle-only1OOSWASHINGTON UNION SCHOOL DISTRICT 26101121439005/CA
Nov 21, 2024CAV · Vehicle-only0PACIFIC GROVE UNIFIED SCHOOL DISTRICT 26573761439005/CA
Nov 20, 2024CAV · Vehicle-only0WASHINGTON UNION SCHOOL DISTRICT 26101121439005/CA
Jul 1, 2024CAV · Vehicle-only1WASHINGTON UNION SCHOOL DISTRICT 26101121439005/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WASHINGTON UNION SCHOOL DISTRICT2610112Jul 1, 2024Oct 9, 20254CA
PACIFIC GROVE UNIFIED SCHOOL DISTRICT2657376Nov 21, 2024Nov 21, 20241CA
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.
1439005CAWASHINGTON UNION SCHOOL DISTRICTJul 1, 2024Oct 9, 20254
1439005CAPACIFIC GROVE UNIFIED SCHOOL DISTRICTNov 21, 2024Nov 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026