Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kenworth T800

3WKDDR0XXXF503605 · Truck-Tractor · TRUCK
Carriers run under1
15 mo
Inspections23
all-time
OOS inspections5
of 23
First seenJun 17, 2023
US
Last seenSep 19, 2024
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKDDR0XXXF503605
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 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DDR0X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
503605

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 · Jun 17, 2023 – Sep 19, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2024TXIII · Driver-only3ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Sep 13, 2024TXIII · Driver-only4ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/TA
Sep 11, 2024TXIII · Driver-only4ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Aug 23, 2024USI · Full3OOSERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Aug 14, 2024TXII · Walk-around11ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/TA
Aug 9, 2024TXII · Walk-around11OOSERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Aug 3, 2024TXII · Walk-around17OOSERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/TA
Jul 29, 2024TXII · Walk-around5OOSERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Jun 19, 2024USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/TA
Mar 8, 2024USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Mar 2, 2024USII · Walk-around1ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Feb 14, 2024TXIII · Driver-only3ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/TA
Feb 5, 2024USII · Walk-around3ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Dec 6, 2023USII · Walk-around4ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Nov 15, 2023USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Nov 8, 2023USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Sep 28, 2023USII · Walk-around1ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Sep 25, 2023USII · Walk-around2ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Aug 18, 2023USII · Walk-around3OOSERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Jul 19, 2023USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Jun 29, 2023USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/TA
Jun 23, 2023USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
Jun 17, 2023USII · Walk-around0ERNESTINA ELIZABETH RUIZ ALANIS 1599691WF1392B/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ERNESTINA ELIZABETH RUIZ ALANIS1599691Jun 17, 2023Sep 19, 202423TA
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.
WF1392BMXERNESTINA ELIZABETH RUIZ ALANISJun 17, 2023Sep 19, 202417
WF1392BTAERNESTINA ELIZABETH RUIZ ALANISJun 29, 2023Sep 13, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026