Equipment unit · VIN-decoded · NHTSA vPIC

2009 Gillig Low Floor Bus

15GGD271X91177085 · Bus · BUS
Carriers run under1
12 mo
Inspections3
all-time
OOS inspections0
of 3
First seenApr 2, 2024
CA
Last seenApr 15, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
15GGD271X91177085
Make
Gillig
Model
Low Floor Bus
Model year
2009
Body class
Bus
Vehicle type
BUS
GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)
Decoded at
Jul 19, 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
15G

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GD271

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2009 or 2039

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

North American serial sequence
177085

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
GILLIG

Prefix basis · 31 decoded VINs at 100.0% prefix purity.

Model
Low Floor Bus

Prefix basis · 31 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
2009

Observed directly for this VIN via NHTSA vPIC.

Observed make
GILLIG

Observed directly for this VIN via NHTSA vPIC.

Observed model
Low Floor Bus

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Bus

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
BUS

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)

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 · Apr 2, 2024 – Apr 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2025CAI · Full0SAN MATEO COUNTY TRANSIT DISTRICT 26715151316358/CA
Apr 15, 2025CAV · Vehicle-only0SAN MATEO COUNTY TRANSIT DISTRICT 26715151316358/CA
Apr 2, 2024CAV · Vehicle-only0SAN MATEO COUNTY TRANSIT DISTRICT 26715151316358/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAN MATEO COUNTY TRANSIT DISTRICT2671515Apr 2, 2024Apr 15, 20253CA
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.
1316358CASAN MATEO COUNTY TRANSIT DISTRICTApr 2, 2024Apr 15, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026