Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth T4 Series

3WKBD09XXPF883809 · Truck-Tractor · TRUCK
Carriers run under1
28 mo
Inspections11
all-time
OOS inspections2
of 11
First seenAug 1, 2023
US
Last seenDec 5, 2025
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKBD09XXPF883809
Make
Kenworth
Model
T4 Series
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
BD09X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1993 or 2023

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

North American serial sequence
883809

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 · 5 decoded VINs at 100.0% prefix purity.

Model
T4 Series

Prefix basis · 5 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T4 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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 1, 2023 – Dec 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 5, 2025USIII · Driver-only1TNL EXPRESS SA DE CV 192000856A1G/MX
Oct 2, 2025USI · Full1TNL EXPRESS SA DE CV 192000856FA1G/MX
Sep 11, 2025USI · Full10TNL EXPRESS SA DE CV 192000856FA1G/MX
Sep 4, 2025USI · Full5TNL EXPRESS SA DE CV 192000856FA1G/MX
Jul 8, 2025USI · Full5TNL EXPRESS SA DE CV 192000856FA1G/MX
May 26, 2025USI · Full8OOSTNL EXPRESS SA DE CV 192000856FA1G/MX
Jan 16, 2025TXII · Walk-around1TNL EXPRESS SA DE CV 192000856FA1G/MX
May 15, 2024USI · Full1TNL EXPRESS SA DE CV 192000856FA1G/TA
Mar 7, 2024USI · Full4OOSTNL EXPRESS SA DE CV 192000856FA1G/TA
Sep 29, 2023USI · Full0TNL EXPRESS SA DE CV 192000856FA1G/MX
Aug 1, 2023USI · Full2TNL EXPRESS SA DE CV 192000856FA1G/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TNL EXPRESS SA DE CV1920008Aug 1, 2023Dec 5, 202511TA
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.
56A1GMXTNL EXPRESS SA DE CVDec 5, 2025Dec 5, 20251
56FA1GMXTNL EXPRESS SA DE CVAug 1, 2023Oct 2, 20258
56FA1GTATNL EXPRESS SA DE CVMar 7, 2024May 15, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026