Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth T880

3WKZD49X1PF537329 · Truck-Tractor · TRUCK
Carriers run under1
34 mo
Inspections22
all-time
OOS inspections0
of 22
First seenJun 28, 2023
CA
Last seenApr 6, 2026
IN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKZD49X1PF537329
Make
Kenworth
Model
T880
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
ZD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
537329

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 · 218 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 218 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
T880

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 · Jun 28, 2023 – Apr 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 6, 2026INIII · Driver-only8ADD EXPRESS INC 570357YP89667/CA
Jan 28, 2026CAI · Full0ADD EXPRESS INC 570357YP89667/CA
Jan 27, 2026CAI · Full1ADD EXPRESS INC 570357YP89667/CA
Oct 29, 2025USI · Full0ADD EXPRESS INC 570357YP89667/CA
Oct 21, 2025CAIII · Driver-only0ADD EXPRESS INC 570357YP89667/CA
Aug 19, 2025USII · Walk-around0ADD EXPRESS INC 570357YP89667/CA
Jun 6, 2025ILIII · Driver-only0ADD EXPRESS INC 570357YP89667/CA
Apr 30, 2025CAI · Full0ADD EXPRESS INC 570357YP89667/CA
Apr 2, 2025CAII · Walk-around0ADD EXPRESS INC 570357YP89667/CA
Mar 7, 2025CAIII · Driver-only0ADD EXPRESS INC 570357YP89667/CA
Feb 25, 2025USII · Walk-around0ADD EXPRESS INC 570357YP89667/CA
Jan 2, 2025USII · Walk-around0ADD EXPRESS INC 570357YP89667/CA
Sep 11, 2024USI · Full1ADD EXPRESS INC 570357YP89667/CA
Aug 31, 2024CAIV · Special0ADD EXPRESS INC 570357YP89667/CA
Jun 19, 2024CAIII · Driver-only0ADD EXPRESS INC 570357YP89667/CA
Apr 2, 2024CAI · Full0ADD EXPRESS INC 570357YP89667/CA
Dec 5, 2023CAI · Full1ADD EXPRESS INC 570357YP89667/CA
Nov 30, 2023CAII · Walk-around1ADD EXPRESS INC 570357YP89667/CA
Nov 29, 2023COIII · Driver-only6ADD EXPRESS INC 570357YP89667/CA
Sep 4, 2023CAIII · Driver-only0ADD EXPRESS INC 570357YP89667/CA
Jun 30, 2023NMII · Walk-around0ADD EXPRESS INC 570357YP89667/CA
Jun 28, 2023CAI · Full0ADD EXPRESS INC 570357YP89667/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADD EXPRESS INC570357Jun 28, 2023Apr 6, 202622CA
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.
YP89667CAADD EXPRESS INCJun 28, 2023Apr 6, 202622
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026