Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X8RD638151 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 30, 2024
AR
Last seenMay 10, 2026
UT
Inspected under 2 different carriers in 22 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
1XPBD49X8RD638151
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 29, 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 · Jul 30, 2024 – May 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 10, 2026UTIII · Driver-only0WILLIAMS TRANSPORTATION INC 2876952431734/NE
Dec 10, 2025NEIII · Driver-only0WILLIAMS TRANSPORTATION INC 2876952431734/NE
Sep 26, 2025MOII · Walk-around1OOSWILLIAMS TRANSPORTATION INC 2876952431734/NE
Aug 21, 2025COII · Walk-around0WILLIAMS TRANSPORTATION INC 2876952431734/NE
Jul 30, 2024ARII · Walk-around1OOSROADRUNNER TRANSPORTATION SERVICES INC 2420092865704/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAMS TRANSPORTATION INC2876952Aug 21, 2025May 10, 20264NE
ROADRUNNER TRANSPORTATION SERVICES INC242009Jul 30, 2024Jul 30, 20241WI
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.
431734NEWILLIAMS TRANSPORTATION INCAug 21, 2025May 10, 20264
2865704INROADRUNNER TRANSPORTATION SERVICES INCJul 30, 2024Jul 30, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026