Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T8 Series

1XKDD49X2FJ458143 · Truck-Tractor · TRUCK
T800
Carriers run under2
8 mo
Inspections5
all-time
OOS inspections0
of 5
First seenOct 2, 2023
KS
Last seenJun 16, 2024
OK
Inspected under 2 different carriers in 8 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
1XKDD49X2FJ458143
Make
Kenworth
Model
T8 Series
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
458143

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 · 1,944 decoded VINs at 93.9% prefix purity.

Model
T8 Series

Prefix basis · 1,944 decoded VINs at 93.9% prefix purity.

Model line
T800

Sourced label · prefix basis 1,944 decoded VINs at 93.9% 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 · Oct 2, 2023 – Jun 16, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2024OKIII · Driver-only0—SMC TRUCKING LLC 13758323DJ797/OK
Mar 25, 2024OKII · Walk-around0—DAVID WARFFELI 8054013DJ797/OK
Jan 11, 2024OKII · Walk-around3—DAVID WARFFELI 8054013DJ797/OK
Jan 6, 2024KSII · Walk-around2—DAVID WARFFELI 8054013DJ797/OK
Oct 2, 2023KSII · Walk-around0—DAVID WARFFELI 8054013DJ797/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMC TRUCKING LLC1375832Jun 16, 2024Jun 16, 20241KS
DAVID WARFFELI805401Oct 2, 2023Mar 25, 20244CO
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.
3DJ797OK—SMC TRUCKING LLCJun 16, 2024 → Jun 16, 20241
3DJ797OK—DAVID WARFFELIOct 2, 2023 → Mar 25, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026