Equipment unit · VIN-decoded · NHTSA vPIC

2011 Thomas Built HDX

1T7YU4E25B1140084 · Bus - School Bus · BUS
Carriers run under1
25 mo
Inspections4
all-time
OOS inspections1
of 4
First seenOct 25, 2023
CA
Last seenNov 3, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1T7YU4E25B1140084
Make
Thomas Built
Model
HDX
Model year
2011
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
YU4E2

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1981 or 2011

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

North American serial sequence
140084

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
2011

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 · Oct 25, 2023 – Nov 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 3, 2025CAV · Vehicle-only3OOSBROOKS TRANSPORTATION INC 26830839HPT586/CA
Oct 28, 2024CAV · Vehicle-only1BROOKS TRANSPORTATION INC 26830839HPT586/CA
Nov 1, 2023CAV · Vehicle-only0BROOKS TRANSPORTATION INC 2683083
Oct 25, 2023CAV · Vehicle-only3BROOKS TRANSPORTATION INC 2683083
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROOKS TRANSPORTATION INC2683083Oct 25, 2023Nov 3, 20254CA
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.
9HPT586CABROOKS TRANSPORTATION INCOct 28, 2024Nov 3, 20252
CABROOKS TRANSPORTATION INCOct 25, 2023Nov 1, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026