Equipment unit · VIN-decoded · NHTSA vPIC

4RKG33490H9737392

Not yet decoded
Carriers run under1
13 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 27, 2024
MA
Last seenSep 24, 2025
NH
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1987 or 2017

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

North American serial sequence
737392

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.

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 · Aug 27, 2024 – Sep 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 24, 2025NHV · Vehicle-only0BOSTON EXPRESS BUS INC 161150623AP77/NH
Aug 27, 2024MAII · Walk-around0BOSTON EXPRESS BUS INC 16115063086AP/NH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOSTON EXPRESS BUS INC1611506Aug 27, 2024Sep 24, 20252NH
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.
23AP77NHBOSTON EXPRESS BUS INCSep 24, 2025Sep 24, 20251
3086APNHBOSTON EXPRESS BUS INCAug 27, 2024Aug 27, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC