Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T880

1NKZL40X7LJ383869 · Truck · INCOMPLETE VEHICLE
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 22, 2023
CO
Last seenMar 24, 2025
CO
Inspected under 2 different carriers in 18 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKZL40X7LJ383869
Make
Kenworth
Model
T880
Model year
2020
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
ZL40X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1990 or 2020

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

North American serial sequence
383869

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 · 968 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 968 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
2020

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 · Sep 22, 2023 – Mar 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 24, 2025COII · Walk-around0SHIRLEY SEPTIC PUMPING LLC 4076329AHAP79/CO
Jul 8, 2024COIII · Driver-only1SHIRLEY SEPTIC PUMPING INC 1286209DVMN77/CO
Sep 22, 2023COIII · Driver-only3SHIRLEY SEPTIC PUMPING INC 1286209DVMN77/CO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHIRLEY SEPTIC PUMPING LLC4076329Mar 24, 2025Mar 24, 20251CO
SHIRLEY SEPTIC PUMPING INC1286209Sep 22, 2023Jul 8, 20242CO
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.
AHAP79COSHIRLEY SEPTIC PUMPING LLCMar 24, 2025Mar 24, 20251
DVMN77COSHIRLEY SEPTIC PUMPING INCSep 22, 2023Jul 8, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026