Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1NKZL48X8MJ471187 · Truck · INCOMPLETE VEHICLE
Carriers run under1
36 mo
Inspections18
all-time
OOS inspections1
of 18
First seenJun 27, 2023
CA
Last seenJun 4, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKZL48X8MJ471187
Make
Kenworth
Model
T880
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ZL48X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1991 or 2021

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

North American serial sequence
471187

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 · 20 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 20 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
2021

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

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 27, 2023 – Jun 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 4, 2026CAV · Vehicle-only0WILLIAMS TANK LINES LLC 22904799197C3/CA
Mar 18, 2026CAI · Full0WILLIAMS TANK LINES LLC 22904799197C3/CA
Mar 11, 2026CAII · Walk-around0WILLIAMS TANK LINES LLC 22904799197C3/CA
Mar 9, 2026CAI · Full1WILLIAMS TANK LINES LLC 22904799197C3/CA
Mar 1, 2026CAII · Walk-around1WILLIAMS TANK LINES LLC 22904799197C3/CA
Dec 11, 2025CAI · Full0WILLIAMS TANK LINES LLC 22904799197C3/CA
Nov 11, 2025CAII · Walk-around1WILLIAMS TANK LINES LLC 22904799197C3/CA
Sep 17, 2025CAI · Full4OOSWILLIAMS TANK LINES LLC 22904799197C3/CA
Jun 11, 2025CAII · Walk-around0WILLIAMS TANK LINES LLC 22904799197C3/CA
Jan 7, 2025CAI · Full0WILLIAMS TANK LINES LLC 22904799197C3/CA
Nov 29, 2024CAI · Full1WILLIAMS TANK LINES LLC 22904799197C3/CA
Nov 26, 2024CAII · Walk-around0WILLIAMS TANK LINES LLC 22904799197C3/CA
Oct 10, 2024CAI · Full2WILLIAMS TANK LINES LLC 22904799197C3/CA
May 31, 2024CAI · Full1WILLIAMS TANK LINES LLC 22904799197C3/CA
May 1, 2024CAI · Full2WILLIAMS TANK LINES LLC 22904799197C3/CA
Apr 20, 2024CAI · Full3WILLIAMS TANK LINES LLC 22904799197C3/CA
Dec 16, 2023CAII · Walk-around3WILLIAMS TANK LINES LLC 22904799197C3/CA
Jun 27, 2023CAV · Vehicle-only0WILLIAMS TANK LINES LLC 22904799197C3/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAMS TANK LINES LLC229047Jun 27, 2023Jun 4, 202618CA
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.
99197C3CAWILLIAMS TANK LINES LLCJun 27, 2023Jun 4, 202618
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026