Equipment unit · VIN-decoded · NHTSA vPIC

1998 Kenworth T800

3WKDD60X2WF489289 · Truck-Tractor · TRUCK
Carriers run under1
20 mo
Inspections3
all-time
OOS inspections1
of 3
First seenNov 12, 2023
TX
Last seenJul 31, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKDD60X2WF489289
Make
Kenworth
Model
T800
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 8, 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
DD60X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1998 or 2028

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

North American serial sequence
489289

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 · 24 decoded VINs at 100.0% prefix purity.

Model
T800

Prefix basis · 24 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
1998

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 12, 2023 – Jul 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2025TXIII · Driver-only5MARIO MARTINEZ MARTINEZ 120317464AT8D/MX
Oct 29, 2024TXIII · Driver-only2OOSMARIO MARTINEZ MARTINEZ 120317464AT8D/TA
Nov 12, 2023TXIII · Driver-only0MARIO MARTINEZ MARTINEZ 120317464AT8D/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARIO MARTINEZ MARTINEZ1203174Nov 12, 2023Jul 31, 20253TA
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.
64AT8DMXMARIO MARTINEZ MARTINEZNov 12, 2023Jul 31, 20252
64AT8DTAMARIO MARTINEZ MARTINEZOct 29, 2024Oct 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026