Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X1JD485147 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 11, 2023
TX
Last seenOct 20, 2025
WI
Inspected under 2 different carriers in 25 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
1XPBD49X1JD485147
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 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 · Sep 11, 2023 – Oct 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2025WIIII · Driver-only1—RAMCO GROUP LLC 4177546R726962/TX
Sep 3, 2025ARIII · Driver-only1—RAMCO GROUP LLC 4177546R726962/TX
Apr 10, 2024SCII · Walk-around3—RAMCO GROUP LLC 4177546R726962/TX
Sep 11, 2023TXII · Walk-around1—ROYAL FREIGHT LP 959806R4623HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RAMCO GROUP LLC4177546Apr 10, 2024Oct 20, 20253TX
ROYAL FREIGHT LP959806Sep 11, 2023Sep 11, 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.
R726962TX—RAMCO GROUP LLCApr 10, 2024 → Oct 20, 20253
R4623HYTN—ROYAL FREIGHT LPSep 11, 2023 → Sep 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026