Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X3MD751644 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections6
all-time
OOS inspections4
of 6
First seen11/20/2023
NE
Last seen07/13/2026
PA
Inspected under 3 different carriers in 32 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
1XPBD49X3MD751644
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
07/04/2026
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 · 11/20/2023 – 07/13/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/13/2026PAII · Walk-around8OOSGULF WINDS INTERNATIONAL INC 690147W5536HY/TN
06/29/2026MDI · Full3OOSGULF WINDS INTERNATIONAL INC 690147W5536HY/TN
02/18/2026PAII · Walk-around5OOSGULF WINDS INTERNATIONAL INC 690147W5536HY/TN
12/15/2025MDII · Walk-around5OOSSTG DRAYAGE LLC 6881433748871/IN
09/29/2025MDII · Walk-around1—STG DRAYAGE LLC 6881433748871/IN
11/20/2023NEIII · Driver-only0—AA TEMPERATURE CONTROLLED LLC 908846401347/NE
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GULF WINDS INTERNATIONAL INC69014702/18/202607/13/20263TX
STG DRAYAGE LLC68814309/29/202512/15/20252OH
AA TEMPERATURE CONTROLLED LLC90884611/20/202311/20/20231NE
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.
W5536HYTN1GULF WINDS INTERNATIONAL INC02/18/2026 → 07/13/20263
3748871IN—STG DRAYAGE LLC09/29/2025 → 12/15/20252
401347NE—AA TEMPERATURE CONTROLLED LLC11/20/2023 → 11/20/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/04/2026