Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49XXMD762589 · Truck-Tractor · TRUCK
Carriers run under3
27 mo
Inspections3
all-time
OOS inspections1
of 3
First seenFeb 22, 2024
MN
Last seenMay 11, 2026
TX
Inspected under 3 different carriers in 27 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
1XPBD49XXMD762589
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
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 · Feb 22, 2024 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026TXII · Walk-around3OOSFRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R806531/TX
Mar 11, 2025USII · Walk-around3—TRANSFAZA S A DE C V 409239812ES4R/MX
Feb 22, 2024MNIII · Driver-only1—HERMES NVC CORP 2513961P1145974/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRONTERA EXPRESS LIMITED LIABILITY COMPANY1205403May 11, 2026May 11, 20261TX
TRANSFAZA S A DE C V4092398Mar 11, 2025Mar 11, 20251CH
HERMES NVC CORP2513961Feb 22, 2024Feb 22, 20241IL
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.
R806531TX—FRONTERA EXPRESS LIMITED LIABILITY COMPANYMay 11, 2026 → May 11, 20261
12ES4RMX—TRANSFAZA S A DE C VMar 11, 2025 → Mar 11, 20251
P1145974IL—HERMES NVC CORPFeb 22, 2024 → Feb 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026