Equipment unit · VIN-decoded · NHTSA vPIC

2013 Kenworth T8 Series

1XKDD49X5DJ344344 · Truck-Tractor · TRUCK
T800
Carriers run under1
34 mo
Inspections20
all-time
OOS inspections1
of 20
First seenJun 15, 2023
TX
Last seenApr 30, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD49X5DJ344344
Make
Kenworth
Model
T8 Series
Model year
2013
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1983 or 2013

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

North American serial sequence
344344

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
2013

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 15, 2023 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026TXII · Walk-around1DIAMOND BACK TRANSPORT INC 19529071N69090/TX
Feb 17, 2026TXIII · Driver-only0DIAMOND BACK TRANSPORT INC 19529071N69090/TX
Jan 8, 2026TXI · Full8OOSDIAMOND BACK TRANSPORT INC 19529071N69090/TX
Dec 2, 2025TXII · Walk-around1DIAMOND BACK TRANSPORT INC 19529071N69090/TX
Jun 5, 2025TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
May 1, 2025TXI · Full0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Apr 4, 2025TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Feb 11, 2025TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Jan 31, 2025TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Dec 26, 2024TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Oct 18, 2024TXII · Walk-around2DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Aug 29, 2024TXI · Full3DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Jul 12, 2024TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
May 23, 2024TXII · Walk-around2DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Feb 29, 2024TXII · Walk-around1DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Feb 1, 2024TXII · Walk-around3DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Dec 6, 2023TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Oct 2, 2023TXII · Walk-around1DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Jun 28, 2023TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
Jun 15, 2023TXII · Walk-around0DIAMOND BACK TRANSPORT INC 19529071L47171/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND BACK TRANSPORT INC1952907Jun 15, 2023Apr 30, 202620TX
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.
1N69090TXDIAMOND BACK TRANSPORT INCDec 2, 2025Apr 30, 20264
1L47171TXDIAMOND BACK TRANSPORT INCJun 15, 2023Jun 5, 202516
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026