Equipment unit · VIN-decoded · NHTSA vPIC

2014 Thomas Built HDX

1T7YU4F27E1270001 · Bus - School Bus · BUS
Carriers run under2
34 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 30, 2023
CA
Last seenApr 24, 2026
CA
Inspected under 2 different carriers in 34 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
1T7YU4F27E1270001
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
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
YU4F2

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
270001

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 · 527 decoded VINs at 100.0% prefix purity.

Model
HDX

Prefix basis · 527 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 · Jun 30, 2023 – Apr 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 24, 2026CAV · Vehicle-only1DURHAM SCHOOL SERVICES LP 3506517BYY063/CA
Jun 24, 2025CAV · Vehicle-only0FIRST STUDENT INC 3544067BYY063/CA
Jul 16, 2024CAV · Vehicle-only1FIRST STUDENT INC 3544067BYY063/CA
Jun 30, 2023CAV · Vehicle-only1FIRST STUDENT INC 3544067BYY063/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DURHAM SCHOOL SERVICES LP350651Apr 24, 2026Apr 24, 20261IL
FIRST STUDENT INC354406Jun 30, 2023Jun 24, 20253OH
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.
7BYY063CADURHAM SCHOOL SERVICES LPApr 24, 2026Apr 24, 20261
7BYY063CAFIRST STUDENT INCJun 30, 2023Jun 24, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026