Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X8HD410473 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 20, 2025
TX
Last seenOct 8, 2025
TX
Inspected under 2 different carriers in 9 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
1XPBDP9X8HD410473
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 29, 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 · Jan 20, 2025 – Oct 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 8, 2025TXI · Full0—WILHOIT BUILDERS OF TEXAS LLC 34999911N45233/TX
Sep 25, 2025TXI · Full8—WILHOIT BUILDERS OF TEXAS LLC 34999911N45233/TX
May 21, 2025TXI · Full3OOSWILHOIT BUILDERS OF TEXAS LLC 34999911N45233/TX
Feb 10, 2025TXII · Walk-around0—4K COMPANIES LLC 23632611N45233/TX
Jan 20, 2025TXII · Walk-around0—4K COMPANIES LLC 23632611N45233/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 LLC3499991May 21, 2025Oct 8, 20253TX
4K COMPANIES LLC2363261Jan 20, 2025Feb 10, 20252TX
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.
1N45233TX—WILHOIT BUILDERS OF TEXAS LLCMay 21, 2025 → Oct 8, 20253
1N45233TX—4K COMPANIES LLCJan 20, 2025 → Feb 10, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026