Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kenworth T800

1XKDDU9X5XJ795052 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections5
all-time
OOS inspections2
of 5
First seenApr 3, 2024
TX
Last seenMar 26, 2026
OK
Inspected under 2 different carriers in 23 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
1XKDDU9X5XJ795052
Make
Kenworth
Model
T800
Model year
1999
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
DDU9X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1999 or 2029

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

North American serial sequence
795052

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T800

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 3, 2024 – Mar 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 26, 2026OKIII · Driver-only1ALFREDO CORONA JR 4314805R834512/TX
Aug 14, 2025TXII · Walk-around1ALFREDO CORONA JR 43148051N12749/TX
Apr 1, 2025TXII · Walk-around1OOSALFREDO CORONA JR 43148051N12749/TX
Jul 4, 2024TXI · Full1OOSRAFAEL CORONA 16464881L23277/TX
Apr 3, 2024TXII · Walk-around1RAFAEL CORONA 16464881L23277/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALFREDO CORONA JR4314805Apr 1, 2025Mar 26, 20263TX
RAFAEL CORONA1646488Apr 3, 2024Jul 4, 20242TX
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.
R834512TXALFREDO CORONA JRMar 26, 2026Mar 26, 20261
1N12749TXALFREDO CORONA JRApr 1, 2025Aug 14, 20252
1L23277TXRAFAEL CORONAApr 3, 2024Jul 4, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026