Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X6JD459756 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 26, 2024
IA
Last seenOct 12, 2025
TX
Inspected under 2 different carriers in 15 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
1XPBD49X6JD459756
Make
Peterbilt
Model
579
Model year
2018
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 · Jul 26, 2024 – Oct 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 12, 2025TXII · Walk-around1—MARIA NELY CORTEZ 3019086R750450/TX
Oct 12, 2025TXII · Walk-around0—TRANSPORT CONTINENTAL INC 375481R750450/TX
Jul 26, 2024IAIII · Driver-only1—MARIA NELY CORTEZ 30190865818L77/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORT CONTINENTAL INC375481Oct 12, 2025Oct 12, 20251TX
MARIA NELY CORTEZ3019086Jul 26, 2024Oct 12, 20252TX
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.
R750450TX—TRANSPORT CONTINENTAL INCOct 12, 2025 → Oct 12, 20251
R750450TX—MARIA NELY CORTEZOct 12, 2025 → Oct 12, 20251
5818L77TX—MARIA NELY CORTEZJul 26, 2024 → Jul 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026