Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X1HD410573 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections7
all-time
OOS inspections2
of 7
First seenMar 15, 2024
TX
Last seenJul 17, 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
1XPBDP9X1HD410573
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
Jun 27, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 15, 2024 – Jul 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 17, 2026TXI · Full3—WILHOIT BUILDERS OF TEXAS LLC 34999911N45237/TX
Jun 23, 2026TXII · Walk-around3—WILHOIT BUILDERS OF TEXAS LLC 34999911N45237/TX
May 19, 2026TXII · Walk-around6—WILHOIT BUILDERS OF TEXAS LLC 34999911N45237/TX
Sep 3, 2025TXII · Walk-around8OOSWILHOIT BUILDERS OF TEXAS LLC 34999911N45237/TX
Aug 27, 2025TXII · Walk-around15OOSWILHOIT BUILDERS OF TEXAS LLC 34999911N45237/TX
Jun 27, 2025TXII · Walk-around9—WILHOIT BUILDERS OF TEXAS LLC 34999911N45237/TX
Mar 15, 2024TXII · Walk-around4—4K COMPANIES LLC 23632611N45237/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILHOIT BUILDERS OF TEXAS LLC3499991Jun 27, 2025Jul 17, 20266TX
4K COMPANIES LLC2363261Mar 15, 2024Mar 15, 20241TX
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.
1N45237TX1WILHOIT BUILDERS OF TEXAS LLCJun 27, 2025 → Jul 17, 20266
1N45237TX—4K COMPANIES LLCMar 15, 2024 → Mar 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026