Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X5MD753170 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections11
all-time
OOS inspections5
of 11
First seenAug 13, 2024
NV
Last seenJun 25, 2026
AZ
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
1XPBD49X5MD753170
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
Jun 18, 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 · Aug 13, 2024 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026AZII · Walk-around9OOSROOP TRANSPORTATION INC 4354730ZP85691/CA
Apr 14, 2026FLI · Full1OOSROOP TRANSPORTATION INC 4354730ZP33901/CA
Jan 13, 2026CAIII · Driver-only2—ROOP TRANSPORTATION INC 4354730ZP33901/CA
Aug 8, 2025CAII · Walk-around6—AULAKH TRANSPORTATION INC 3383892ZP33901/CA
Jun 16, 2025CAI · Full3OOSAULAKH TRANSPORTATION INC 3383892YP66983/CA
Jun 9, 2025CTIII · Driver-only1—AULAKH TRANSPORTATION INC 3383892ZP33901/CA
Mar 27, 2025FLII · Walk-around5OOSAULAKH TRANSPORTATION INC 3383892ZP33901/CA
Dec 11, 2024AZIII · Driver-only1OOSAULAKH TRANSPORTATION INC 3383892ZP33901/CA
Nov 5, 2024CAI · Full1—AULAKH TRANSPORTATION INC 3383892ZP33901/CA
Sep 3, 2024NYIII · Driver-only4—AULAKH TRANSPORTATION INC 3383892ZP33901/CA
Aug 13, 2024NVIII · Driver-only3—AULAKH TRANSPORTATION INC 3383892ZP33901/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROOP TRANSPORTATION INC4354730Jan 13, 2026Jun 25, 20263CA
AULAKH TRANSPORTATION INC3383892Aug 13, 2024Aug 8, 20258CA
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.
ZP85691CA1ROOP TRANSPORTATION INCJun 25, 2026 → Jun 25, 20261
ZP33901CA—ROOP TRANSPORTATION INCJan 13, 2026 → Apr 14, 20262
ZP33901CA—AULAKH TRANSPORTATION INCAug 13, 2024 → Aug 8, 20257
YP66983CA—AULAKH TRANSPORTATION INCJun 16, 2025 → Jun 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026