Equipment unit · VIN-decoded · NHTSA vPIC

2021 Prevost X3 Passenger Coach

4RKG33496M9737763 · Bus · BUS
Carriers run under1
20 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 11, 2024
TN
Last seenMay 20, 2026
IL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4RKG33496M9737763
Make
Prevost
Model
X3 Passenger Coach
Model year
2021
Body class
Bus
Vehicle type
BUS
GVWR
Not decoded
Decoded at
Jul 4, 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
4RK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
G3349

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1991 or 2021

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

North American serial sequence
737763

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
PREVOST

Prefix basis · 86 decoded VINs at 100.0% prefix purity.

Model
X3 Passenger Coach

Prefix basis · 86 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
PREVOST

Observed directly for this VIN via NHTSA vPIC.

Observed model
X3 Passenger Coach

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
Not established

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 · Sep 11, 2024 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026ILV · Vehicle-only2GREYHOUND LINES INC 44110K134616/TX
May 20, 2026ILV · Vehicle-only2GREYHOUND LINES INC 44110K134616/TX
Feb 16, 2026TNV · Vehicle-only1GREYHOUND LINES INC 44110K134616/TX
Jan 10, 2026TNV · Vehicle-only0GREYHOUND LINES INC 44110K134616/TX
Sep 11, 2024TNI · Full0GREYHOUND LINES INC 44110K134616/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREYHOUND LINES INC44110Sep 11, 2024May 20, 20265TX
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.
K134616TX1GREYHOUND LINES INCSep 11, 2024May 20, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026