Equipment unit · VIN-decoded · NHTSA vPIC

2017 Prevost X3 Passenger Coach

4RKG33493H9737418 · Bus · BUS
Carriers run under1
26 mo
Inspections7
all-time
OOS inspections0
of 7
First seenSep 5, 2023
NH
Last seenNov 17, 2025
MA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4RKG33493H9737418
Make
Prevost
Model
X3 Passenger Coach
Model year
2017
Body class
Bus
Vehicle type
BUS
GVWR
Not decoded
Decoded at
Jun 21, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
737418

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
2017

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 5, 2023 – Nov 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 17, 2025MAII · Walk-around0CONCORD COACH LINES INC 8626428AP04/NH
Oct 21, 2025MAII · Walk-around0CONCORD COACH LINES INC 8626428AP04/NH
Sep 3, 2025NHV · Vehicle-only0CONCORD COACH LINES INC 8626428AP04/NH
Sep 17, 2024NHV · Vehicle-only0CONCORD COACH LINES INC 862643629AP/NH
Aug 28, 2024MEIII · Driver-only0CONCORD COACH LINES INC 862647868/NH
Jan 18, 2024NHII · Walk-around0CONCORD COACH LINES INC 862643629AP/NH
Sep 5, 2023NHV · Vehicle-only0CONCORD COACH LINES INC 862643629AP/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 5, 2023Nov 17, 20257NH
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.
28AP04NHCONCORD COACH LINES INCSep 3, 2025Nov 17, 20253
3629APNHCONCORD COACH LINES INCSep 5, 2023Sep 17, 20243
7868NHCONCORD COACH LINES INCAug 28, 2024Aug 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026