Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X4HD420434 · Truck-Tractor · TRUCK
Carriers run under2
36 mo
Inspections7
all-time
OOS inspections2
of 7
First seen07/03/2023
TX
Last seen07/10/2026
LA
Inspected under 2 different carriers in 36 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
1XPBDP9X4HD420434
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/27/2026
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 · 07/03/2023 – 07/10/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/10/2026LAIII · Driver-only18K TRANSPORTATION LLC 4148868R736211/TX
06/23/2026MOI · Full18K TRANSPORTATION LLC 4148868R736211/TX
06/25/2025ORIII · Driver-only1OOS8K TRANSPORTATION LLC 4148868R736211TX/TX
05/22/2025NMIII · Driver-only08K TRANSPORTATION LLC 4148868R736211/TX
05/19/2025NMIII · Driver-only08K TRANSPORTATION LLC 4148868R736211/TX
02/03/2025MDI · Full4OOS8K TRANSPORTATION LLC 4148868R736211/TX
07/03/2023TXII · Walk-around7FASTRANS LLC 3487136R599449/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
8K TRANSPORTATION LLC414886802/03/202507/10/20266TX
FASTRANS LLC348713607/03/202307/03/20231TX
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.
R736211TX18K TRANSPORTATION LLC02/03/202507/10/20265
R736211TXTX8K TRANSPORTATION LLC06/25/202506/25/20251
R599449TXFASTRANS LLC07/03/202307/03/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/27/2026