Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W9 Series

1XKWD40X1SR124428 · Truck-Tractor · TRUCK
W900
Carriers run under2
21 mo
Inspections3
all-time
OOS inspections0
of 3
First seenFeb 16, 2024
MA
Last seenNov 18, 2025
ME
Inspected under 2 different carriers in 21 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWD40X1SR124428
Make
Kenworth
Model
W9 Series
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WD40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
124428

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
KENWORTH

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model
W9 Series

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model line
W900

Sourced label · prefix basis 1,108 decoded VINs at 99.0% prefix purity.

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 16, 2024 – Nov 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 18, 2025MEII · Walk-around0—ATLANTIC POWER CONSTRUCTORS LLC 3913185933725/ME
Mar 21, 2025MEIII · Driver-only0—ATLANTIC POWER CONSTRUCTORS LLC 3913185933219/ME
Feb 16, 2024MAII · Walk-around3—KENWORTH OF SE NEW ENGLAND INC 2325796802C/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ATLANTIC POWER CONSTRUCTORS LLC3913185Mar 21, 2025Nov 18, 20252ME
KENWORTH OF SE NEW ENGLAND INC2325796Feb 16, 2024Feb 16, 20241NY
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.
933725ME—ATLANTIC POWER CONSTRUCTORS LLCNov 18, 2025 → Nov 18, 20251
933219ME—ATLANTIC POWER CONSTRUCTORS LLCMar 21, 2025 → Mar 21, 20251
802CMA—KENWORTH OF SE NEW ENGLAND INCFeb 16, 2024 → Feb 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026