Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBD49X8SD721522 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMar 6, 2024
SD
Last seenJan 29, 2026
IA
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
1XPBD49X8SD721522
Make
Peterbilt
Model
579
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 30, 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 6, 2024 – Jan 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 29, 2026IAII · Walk-around2—CALIFORNIA OVERLAND LTD 988429PAV0934/MN
Apr 9, 2024MTI · Full2—TRANSPORTATION SPECIALIST LLC 228446916024Z/WI
Mar 6, 2024SDIII · Driver-only0—TRANSPORTATION SPECIALIST LLC 22844691602Q4Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CALIFORNIA OVERLAND LTD988429Jan 29, 2026Jan 29, 20261MN
TRANSPORTATION SPECIALIST LLC2284469Mar 6, 2024Apr 9, 20242WI
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.
PAV0934MN—CALIFORNIA OVERLAND LTDJan 29, 2026 → Jan 29, 20261
16024ZWI—TRANSPORTATION SPECIALIST LLCApr 9, 2024 → Apr 9, 20241
1602Q4ZWI—TRANSPORTATION SPECIALIST LLCMar 6, 2024 → Mar 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026