Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth W9 Series

1XKWP4TX1LR399012 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 7, 2024
IL
Last seenMar 25, 2026
AR
Inspected under 2 different carriers in 24 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
1XKWP4TX1LR399012
Make
Kenworth
Model
W9 Series
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 10, 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 · Mar 7, 2024 – Mar 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2026ARIII · Driver-only0JOHN STOLTZFUS 1175758AH77526/PA
Feb 3, 2026IAII · Walk-around13JOHN STOLTZFUS 1175758AH77526/PA
Nov 8, 2025ARIII · Driver-only1JOHN STOLTZFUS 1175758******/PA
Mar 7, 2024ILII · Walk-around1OOSMD MULLINS HEAVY HAULIN LLC 660735K9350HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOHN STOLTZFUS1175758Nov 8, 2025Mar 25, 20263PA
MD MULLINS HEAVY HAULIN LLC660735Mar 7, 2024Mar 7, 20241TN
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.
AH77526PAJOHN STOLTZFUSFeb 3, 2026Mar 25, 20262
******PAJOHN STOLTZFUSNov 8, 2025Nov 8, 20251
K9350HYTNMD MULLINS HEAVY HAULIN LLCMar 7, 2024Mar 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026