Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X4JD452516 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections6
all-time
OOS inspections3
of 6
First seenMar 26, 2024
TN
Last seenJun 5, 2026
TX
Inspected under 2 different carriers in 27 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
1XPBDP9X4JD452516
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 25, 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 · Mar 26, 2024 – Jun 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 5, 2026TXII · Walk-around5—HERDC TRANSPORT LLC 44442111M55229/TX
May 12, 2026TXI · Full8OOSHERDC TRANSPORT LLC 44442111M55229/TX
Mar 12, 2026TXI · Full1—HERDC TRANSPORT LLC 444421184R632N/TX
Nov 24, 2025TXI · Full4—HERDC TRANSPORT LLC 444421146Z112W/TX
Nov 19, 2025TXII · Walk-around6OOSHERDC TRANSPORT LLC 444421160N468N/TX
Mar 26, 2024TNI · Full1OOSUNIVERSAL DEDICATED OF SMYRNA TN LLC 32210802588634/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HERDC TRANSPORT LLC4444211Nov 19, 2025Jun 5, 20265TX
UNIVERSAL DEDICATED OF SMYRNA TN LLC3221080Mar 26, 2024Mar 26, 20241MI
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.
1M55229TX—HERDC TRANSPORT LLCMay 12, 2026 → Jun 5, 20262
84R632NTX—HERDC TRANSPORT LLCMar 12, 2026 → Mar 12, 20261
46Z112WTX—HERDC TRANSPORT LLCNov 24, 2025 → Nov 24, 20251
60N468NTX—HERDC TRANSPORT LLCNov 19, 2025 → Nov 19, 20251
2588634IN—UNIVERSAL DEDICATED OF SMYRNA TN LLCMar 26, 2024 → Mar 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026