Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T8 Series

1XKDD40X1MR445668 · Truck-Tractor · TRUCK
T800
Carriers run under1
31 mo
Inspections8
all-time
OOS inspections4
of 8
First seenJun 29, 2023
AL
Last seenJan 28, 2026
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD40X1MR445668
Make
Kenworth
Model
T8 Series
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DD40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1991 or 2021

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

North American serial sequence
445668

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 · 734 decoded VINs at 92.0% prefix purity.

Model
T8 Series

Prefix basis · 734 decoded VINs at 92.0% prefix purity.

Model line
T800

Sourced label · prefix basis 734 decoded VINs at 92.0% 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.

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
2021

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 · Jun 29, 2023 – Jan 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 28, 2026ALII · Walk-around5OOSCAMPBELL TIMBER CO LLC 130242915A0Y45/KY
Dec 16, 2025ALI · Full9OOSCAMPBELL TIMBER CO LLC 130242915A0Y45/AL
Jul 24, 2024ALIII · Driver-only1CAMPBELL TIMBER CO LLC 130242915A0XDD/AL
Jul 11, 2024ALII · Walk-around3OOSCAMPBELL TIMBER CO LLC 130242915A0XDD/AL
Jun 27, 2024ALII · Walk-around2CAMPBELL TIMBER CO LLC 130242915A0XDD/AL
Nov 1, 2023ALII · Walk-around6OOSCAMPBELL TIMBER CO LLC 130242915A0845/AL
Sep 27, 2023ALIII · Driver-only0CAMPBELL TIMBER CO LLC 130242915A0845/AL
Jun 29, 2023ALII · Walk-around4CAMPBELL TIMBER CO LLC 130242915A0845/AL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CAMPBELL TIMBER CO LLC1302429Jun 29, 2023Jan 28, 20268AL
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.
15A0Y45KYCAMPBELL TIMBER CO LLCJan 28, 2026Jan 28, 20261
15A0Y45ALCAMPBELL TIMBER CO LLCDec 16, 2025Dec 16, 20251
15A0XDDALCAMPBELL TIMBER CO LLCJun 27, 2024Jul 24, 20243
15A0845ALCAMPBELL TIMBER CO LLCJun 29, 2023Nov 1, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026