Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T8 Series

1NKDX40X3FR431629 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under2
38 mo
Inspections8
all-time
OOS inspections1
of 8
First seenJul 14, 2023
WA
Last seenSep 30, 2026
WA
Inspected under 2 different carriers in 38 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
1NKDX40X3FR431629
Make
Kenworth
Model
T8 Series
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DX40X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1985 or 2015

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

North American serial sequence
431629

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 · 89 decoded VINs at 93.3% prefix purity.

Model
T8 Series

Prefix basis · 89 decoded VINs at 93.3% prefix purity.

Model line
T800

Sourced label · prefix basis 89 decoded VINs at 93.3% 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 · Jul 14, 2023 – Sep 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 30, 2026WAII · Walk-around0—SWEATMAN TRUCKING COMPANY INC 274589D37890J/WA
Sep 16, 2026WAIII · Driver-only1—SWEATMAN TRUCKING COMPANY INC 274589D37890J/WA
Aug 13, 2026WAIII · Driver-only0—SWEATMAN TRUCKING COMPANY INC 274589D37890J/WA
Jul 23, 2024WAII · Walk-around1—STOTT LOGGING INC 1649440C01872X/WA
Jul 18, 2024WAIII · Driver-only1—STOTT LOGGING INC 1649440C01872X/WA
Apr 22, 2024WAII · Walk-around1—STOTT LOGGING INC 1649440C01872X/WA
Apr 22, 2024WAII · Walk-around2—STOTT LOGGING INC 1649440C01872X/WA
Jul 14, 2023WAI · Full8OOSSTOTT LOGGING INC 1649440C01872X/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SWEATMAN TRUCKING COMPANY INC274589Aug 13, 2026Sep 30, 20263WA
STOTT LOGGING INC1649440Jul 14, 2023Jul 23, 20245WA
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.
D37890JWA1SWEATMAN TRUCKING COMPANY INCAug 13, 2026 → Sep 30, 20263
C01872XWA—STOTT LOGGING INCJul 14, 2023 → Jul 23, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026