Equipment unit · VIN-decoded · NHTSA vPIC

2018 Prevost X3 Passenger Coach

4RKG33495J9737510 · Bus · BUS
Carriers run under1
27 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 6, 2023
NH
Last seenDec 23, 2025
MA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4RKG33495J9737510
Make
Prevost
Model
X3 Passenger Coach
Model year
2018
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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1988 or 2018

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

North American serial sequence
737510

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
2018

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 6, 2023 – Dec 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 23, 2025MAIII · Driver-only0CONCORD COACH LINES INC 8626412AP22/NH
Jun 24, 2025MAII · Walk-around0CONCORD COACH LINES INC 8626412AP22/NH
Jan 1, 2025MAIII · Driver-only0CONCORD COACH LINES INC 8626412AP22/NH
Mar 28, 2024MAII · Walk-around0CONCORD COACH LINES INC 86264AP9436/NH
Sep 6, 2023NHV · Vehicle-only0CONCORD COACH LINES INC 86264AP9436/NH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONCORD COACH LINES INC86264Sep 6, 2023Dec 23, 20255NH
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.
12AP22NHCONCORD COACH LINES INCJan 1, 2025Dec 23, 20253
AP9436NHCONCORD COACH LINES INCSep 6, 2023Mar 28, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026