Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X3RD664169 · Truck-Tractor · TRUCK
Carriers run under3
23 mo
Inspections6
all-time
OOS inspections2
of 6
First seenMar 19, 2024
IL
Last seenFeb 9, 2026
MS
Inspected under 3 different carriers in 23 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
1XPBD49X3RD664169
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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 19, 2024 – Feb 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 9, 2026MSIII · Driver-only2OOSCIRCLE L TRANSPORT LLC 2793637A555221/MS
Jul 22, 2025LAII · Walk-around0—CIRCLE L TRANSPORT LLC 2793637A555221/MS
Jun 11, 2025COIII · Driver-only1OOSCIRCLE L TRANSPORT LLC 2793637A555221/MS
Dec 18, 2024IAIII · Driver-only1—KAG SPECIALTY PRODUCTS GROUP LLC 76483PWV5668/OH
Sep 19, 2024SDIII · Driver-only0—KAG SPECIALTY PRODUCTS GROUP LLC 76483PWV5668/OH
Mar 19, 2024ILI · Full0—FORT TRANSFER COMPANY 134578PWV5668/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CIRCLE L TRANSPORT LLC2793637Jun 11, 2025Feb 9, 20263MS
KAG SPECIALTY PRODUCTS GROUP LLC76483Sep 19, 2024Dec 18, 20242OH
FORT TRANSFER COMPANY134578Mar 19, 2024Mar 19, 20241IL
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.
A555221MS—CIRCLE L TRANSPORT LLCJun 11, 2025 → Feb 9, 20263
PWV5668OH1KAG SPECIALTY PRODUCTS GROUP LLCSep 19, 2024 → Dec 18, 20242
PWV5668OH—FORT TRANSFER COMPANYMar 19, 2024 → Mar 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026