Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1XKZP4EX6MJ440082 · Truck-Tractor · TRUCK
Carriers run under4
26 mo
Inspections5
all-time
OOS inspections0
of 5
First seenFeb 28, 2024
ID
Last seenApr 14, 2026
MT
Inspected under 4 different carriers in 26 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
1XKZP4EX6MJ440082
Make
Kenworth
Model
T880
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ZP4EX

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
440082

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 · 292 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 292 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-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 · Feb 28, 2024 – Apr 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 14, 2026MTI · Full1BOHLANDER CONSTRUCTION INC 336881513AD050/MT
Feb 10, 2025UTIII · Driver-only0BASIN WESTERN INC 167011AM611/ID
Sep 8, 2024COIII · Driver-only1RHETT'S TRUCKING 1787547AM611/ID
Mar 26, 2024UTIII · Driver-only1RHETT'S TRUCKING 1787547AM611/ID
Feb 28, 2024IDI · Full1DUBOIS CHEMICALS INC 2100953AM611/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOHLANDER CONSTRUCTION INC3368815Apr 14, 2026Apr 14, 20261MT
BASIN WESTERN INC167011Feb 10, 2025Feb 10, 20251UT
RHETT'S TRUCKING1787547Mar 26, 2024Sep 8, 20242UT
DUBOIS CHEMICALS INC2100953Feb 28, 2024Feb 28, 20241OH
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.
13AD050MTBOHLANDER CONSTRUCTION INCApr 14, 2026Apr 14, 20261
AM611IDBASIN WESTERN INCFeb 10, 2025Feb 10, 20251
AM611IDRHETT'S TRUCKINGMar 26, 2024Sep 8, 20242
AM611IDDUBOIS CHEMICALS INCFeb 28, 2024Feb 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026