Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X1PD855487 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections4
all-time
OOS inspections0
of 4
First seen02/27/2025
KY
Last seen05/07/2026
TX
Inspected under 2 different carriers in 15 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
1XPBD49X1PD855487
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/12/2026
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 · 02/27/2025 – 05/07/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/07/2026TXII · Walk-around0TRANSMEN FREIGHT SERVICES LLC 704633R831122/TX
05/05/2026USI · Full0TRANSMEN FREIGHT SERVICES LLC 70463305LA6X/MX
06/05/2025TNI · Full0K D TRANSPORT LLC 669446P9904HY/TN
02/27/2025KYIII · Driver-only1K D TRANSPORT LLC 669446P9904HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSMEN FREIGHT SERVICES LLC70463305/05/202605/07/20262TX
K D TRANSPORT LLC66944602/27/202506/05/20252TN
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.
R831122TXTRANSMEN FREIGHT SERVICES LLC05/07/202605/07/20261
05LA6XMXTRANSMEN FREIGHT SERVICES LLC05/05/202605/05/20261
P9904HYTNK D TRANSPORT LLC02/27/202506/05/20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026