Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X1MD707725 · Truck-Tractor · TRUCK
Carriers run under3
13 mo
Inspections4
all-time
OOS inspections2
of 4
First seen04/15/2025
GA
Last seen05/12/2026
AZ
Inspected under 3 different carriers in 13 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
1XPBDP9X1MD707725
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/12/2026
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 · 04/15/2025 – 05/12/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/12/2026AZI · Full6—ARBA EXPRESS LLC 3508190PXD5341/OH
10/30/2025WYII · Walk-around2OOSALIF UZ CORP 3472462PXD5341/OH
09/09/2025OHII · Walk-around5OOSALIF UZ CORP 3472462PXB7505/OH
04/15/2025GAIII · Driver-only0—BIGWAY LLC 4053269PXB7505/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARBA EXPRESS LLC350819005/12/202605/12/20261OH
ALIF UZ CORP347246209/09/202510/30/20252OH
BIGWAY LLC405326904/15/202504/15/20251OH
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.
PXD5341OH—ARBA EXPRESS LLC05/12/2026 → 05/12/20261
PXD5341OH—ALIF UZ CORP10/30/2025 → 10/30/20251
PXB7505OH—ALIF UZ CORP09/09/2025 → 09/09/20251
PXB7505OH—BIGWAY LLC04/15/2025 → 04/15/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026
2021 Peterbilt 579 — VIN 1XPBDP9X1MD707725