Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1XKZP4EX1MJ440085 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections3
all-time
OOS inspections2
of 3
First seenOct 10, 2023
OR
Last seenJun 1, 2026
WA
Inspected under 3 different carriers in 32 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
1XKZP4EX1MJ440085
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
Jul 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 10, 2023 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026WAIII · Driver-only4OOSIRONSIDES CUSTOM GRINDING INC 1813738RP28815/WA
Apr 10, 2025WAII · Walk-around3OOSWHITE'S HEAVY HAUL LLC 4259723AM614/ID
Oct 10, 2023ORII · Walk-around0—DUBOIS CHEMICALS INC 2100953AM614/ID
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
IRONSIDES CUSTOM GRINDING INC1813738Jun 1, 2026Jun 1, 20261WA
WHITE'S HEAVY HAUL LLC4259723Apr 10, 2025Apr 10, 20251ID
DUBOIS CHEMICALS INC2100953Oct 10, 2023Oct 10, 20231OH
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.
RP28815WA—IRONSIDES CUSTOM GRINDING INCJun 1, 2026 → Jun 1, 20261
AM614ID—WHITE'S HEAVY HAUL LLCApr 10, 2025 → Apr 10, 20251
AM614ID—DUBOIS CHEMICALS INCOct 10, 2023 → Oct 10, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 28, 2026