Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBD49X2LD653252 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections4
of 5
First seen09/27/2023
NM
Last seen07/23/2026
AZ
Inspected under 2 different carriers in 34 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
1XPBD49X2LD653252
Make
Peterbilt
Model
579
Model year
2020
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 · 09/27/2023 – 07/23/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/23/2026AZII · Walk-around11OOSESPERANZA TRUCKING INC 282050394A711/AZ
12/29/2025AZII · Walk-around5OOSESPERANZA TRUCKING INC 282050394A711/AZ
10/21/2025AZII · Walk-around8OOSESPERANZA TRUCKING INC 282050394A711/AZ
07/11/2025AZI · Full3OOSESPERANZA TRUCKING INC 282050394A711/AZ
09/27/2023NMIII · Driver-only0—ROCKY MOUNTAIN STRUCTURES INC 927266IRL7473/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ESPERANZA TRUCKING INC282050307/11/202507/23/20264AZ
ROCKY MOUNTAIN STRUCTURES INC92726609/27/202309/27/20231CO
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.
94A711AZ1ESPERANZA TRUCKING INC07/11/2025 → 07/23/20264
IRL7473NM—ROCKY MOUNTAIN STRUCTURES INC09/27/2023 → 09/27/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026