Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T8 Series

1XKDD49X6CJ336025 · Truck-Tractor · TRUCK
T800
Carriers run under1
18 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 21, 2024
PA
Last seenSep 10, 2025
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD49X6CJ336025
Make
Kenworth
Model
T8 Series
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 10, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1982 or 2012

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

North American serial sequence
336025

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.

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
2012

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 21, 2024 – Sep 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 10, 2025PAI · Full7OOSKEYSTONE CONCRETE BLOCK & SUPPLY CO INC 97971AG28983/PA
Feb 21, 2025PAIII · Driver-only0KEYSTONE CONCRETE BLOCK & SUPPLY CO INC 97971AG28983/PA
Dec 3, 2024PAIII · Driver-only0KEYSTONE CONCRETE BLOCK & SUPPLY CO INC 97971AG28983/PA
Mar 21, 2024PAIII · Driver-only0KEYSTONE CONCRETE BLOCK & SUPPLY CO INC 97971AG28983/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KEYSTONE CONCRETE BLOCK & SUPPLY CO INC97971Mar 21, 2024Sep 10, 20254PA
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.
AG28983PAKEYSTONE CONCRETE BLOCK & SUPPLY CO INCMar 21, 2024Sep 10, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026