Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth T680

3WKYD49X7PF535502 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections18
all-time
OOS inspections2
of 18
First seenJul 10, 2023
CA
Last seenDec 9, 2025
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X7PF535502
Make
Kenworth
Model
T680
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 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
535502

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 · 1,094 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 1,094 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
T680

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 · Jul 10, 2023 – Dec 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 9, 2025USI · Full0ADD EXPRESS INC 570357ZP12970/CA
Sep 16, 2025NMII · Walk-around2OOSADD EXPRESS INC 570357ZP12970/CA
Jul 11, 2025KSII · Walk-around0ADD EXPRESS INC 570357ZP12970/CA
May 12, 2025USI · Full0ADD EXPRESS INC 570357ZP12970/CA
Apr 11, 2025KSIII · Driver-only1ADD EXPRESS INC 570357ZP12970/CA
Mar 27, 2025KSIII · Driver-only0ADD EXPRESS INC 570357ZP12970/CA
Mar 17, 2025KSII · Walk-around0ADD EXPRESS INC 570357ZP12970/CA
Jan 15, 2025CAIII · Driver-only0ADD EXPRESS INC 570357ZP102970/CA
Aug 22, 2024NMII · Walk-around0ADD EXPRESS INC 570357ZP12970/CA
Jun 21, 2024NMII · Walk-around0ADD EXPRESS INC 570357ZP12970/CA
Jun 20, 2024CAIII · Driver-only0ADD EXPRESS INC 570357ZP12970/CA
Apr 8, 2024CAIII · Driver-only0ADD EXPRESS INC 570357ZP12970/CA
Jan 23, 2024CAIII · Driver-only0ADD EXPRESS INC 570357ZP12970/CA
Jan 23, 2024CAI · Full0ADD EXPRESS INC 570357ZP12970/CA
Jan 18, 2024NMII · Walk-around0ADD EXPRESS INC 570357ZP12970/CA
Oct 30, 2023AZII · Walk-around1OOSADD EXPRESS INC 570357YP68996/CA
Aug 23, 2023CAI · Full0ADD EXPRESS INC 570357YP68996/CA
Jul 10, 2023CAI · Full0ADD EXPRESS INC 570357YP68996/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADD EXPRESS INC570357Jul 10, 2023Dec 9, 202518CA
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.
ZP12970CAADD EXPRESS INCJan 18, 2024Dec 9, 202514
ZP102970CAADD EXPRESS INCJan 15, 2025Jan 15, 20251
YP68996CAADD EXPRESS INCJul 10, 2023Oct 30, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026