Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X9JD485171 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections7
all-time
OOS inspections0
of 7
First seenSep 14, 2023
TX
Last seenNov 27, 2025
AR
Inspected under 2 different carriers in 26 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
1XPBD49X9JD485171
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
Jun 21, 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 · Sep 14, 2023 – Nov 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 27, 2025ARIII · Driver-only0—GULF ROYAL LLC 2311146R722600/TX
Aug 15, 2025SCIII · Driver-only0—GULF ROYAL LLC 2311146R722600/TX
Sep 1, 2024TNIII · Driver-only1—GULF ROYAL LLC 2311146R722600/TX
Nov 6, 2023TXII · Walk-around1—ROYAL FREIGHT LP 959806R4628HY/TN
Sep 15, 2023LAIII · Driver-only2—ROYAL FREIGHT LP 959806R4628HY/TN
Sep 15, 2023ALII · Walk-around0—ROYAL FREIGHT LP 959806R4628HY/TN
Sep 14, 2023TXII · Walk-around0—ROYAL FREIGHT LP 959806R4628HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GULF ROYAL LLC2311146Sep 1, 2024Nov 27, 20253TX
ROYAL FREIGHT LP959806Sep 14, 2023Nov 6, 20234TX
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.
R722600TX—GULF ROYAL LLCSep 1, 2024 → Nov 27, 20253
R4628HYTN—ROYAL FREIGHT LPSep 14, 2023 → Nov 6, 20234
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026