Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X4KD228177 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections2
of 5
First seen12/04/2023
TX
Last seen04/14/2026
TX
Inspected under 2 different carriers in 28 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
1XPBDP9X4KD228177
Make
Peterbilt
Model
579
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/29/2026
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 · 12/04/2023 – 04/14/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/14/2026TXII · Walk-around3—SMTX MATERIALS LLC 4363065XZM7127/TX
11/11/2024TXI · Full3OOSMIDTEX OIL LP 922403R548196/TX
07/15/2024TXII · Walk-around1OOSMIDTEX OIL LP 922403R548196/TX
02/27/2024TXI · Full3—MIDTEX OIL LP 922403R548196/TX
12/04/2023TXI · Full1—MIDTEX OIL LP 922403R548196/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMTX MATERIALS LLC436306504/14/202604/14/20261TX
MIDTEX OIL LP92240312/04/202311/11/20244TX
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.
XZM7127TX—SMTX MATERIALS LLC04/14/2026 → 04/14/20261
R548196TX—MIDTEX OIL LP12/04/2023 → 11/11/20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026
2019 Peterbilt 579 — VIN 1XPBDP9X4KD228177