Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X0JD485155 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seen07/27/2023
TN
Last seen04/16/2026
TX
Inspected under 2 different carriers in 33 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
1XPBD49X0JD485155
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
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 · 07/27/2023 – 04/16/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/16/2026TXII · Walk-around1—GULF ROYAL LLC 2311146R722598/TX
05/11/2025MSIII · Driver-only0—GULF ROYAL LLC 2311146R722598/TX
11/01/2024INIII · Driver-only19OOSGULF ROYAL LLC 2311146R722598/TX
07/27/2023TNIII · Driver-only0—ROYAL FREIGHT LP 959806R4690HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GULF ROYAL LLC231114611/01/202404/16/20263TX
ROYAL FREIGHT LP95980607/27/202307/27/20231TX
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.
R722598TX—GULF ROYAL LLC11/01/2024 → 04/16/20263
R4690HYTN—ROYAL FREIGHT LP07/27/2023 → 07/27/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026