Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X7HD444825 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections7
all-time
OOS inspections4
of 7
First seenOct 11, 2023
AR
Last seenMar 18, 2026
IL
Inspected under 3 different carriers in 29 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
1XPBDP9X7HD444825
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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 11, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026ILII · Walk-around11OOSWILLIS ENERGY TRANSFER 3041958P1296972/IL
Dec 3, 2024WVIII · Driver-only1—LEADER FREIGHT SYSTEMS INC 328318887KS3X/MO
Jul 3, 2024MIIII · Driver-only0—QFS TRANSPORTATION LLC 224471787KS3X/MO
May 16, 2024MIIII · Driver-only1—QFS TRANSPORTATION LLC 224471787KS3X/MO
Apr 10, 2024MOI · Full5OOSQFS TRANSPORTATION LLC 224471787KS3X/MO
Mar 10, 2024KYIII · Driver-only3OOSQFS TRANSPORTATION LLC 2244717TEMP/MO
Oct 11, 2023ARII · Walk-around2OOSQFS TRANSPORTATION LLC 224471787KS3X/MO
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIS ENERGY TRANSFER3041958Mar 18, 2026Mar 18, 20261IL
LEADER FREIGHT SYSTEMS INC3283188Dec 3, 2024Dec 3, 20241IN
QFS TRANSPORTATION LLC2244717Oct 11, 2023Jul 3, 20245IN
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.
P1296972IL—WILLIS ENERGY TRANSFERMar 18, 2026 → Mar 18, 20261
87KS3XMO—LEADER FREIGHT SYSTEMS INCDec 3, 2024 → Dec 3, 20241
87KS3XMO—QFS TRANSPORTATION LLCOct 11, 2023 → Jul 3, 20244
TEMPMO—QFS TRANSPORTATION LLCMar 10, 2024 → Mar 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026