Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X4MD742677 · Truck-Tractor · TRUCK
Carriers run under2
13 mo
Inspections4
all-time
OOS inspections0
of 4
First seen05/21/2025
TX
Last seen06/12/2026
TX
Inspected under 2 different carriers in 13 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
1XPBDP9X4MD742677
Make
Peterbilt
Model
579
Model year
2021
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 · 05/21/2025 – 06/12/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/12/2026TXII · Walk-around0—KAMYON CARRIERS LLC 3197459R840858/TX
05/14/2026TXI · Full0—KAMYON CARRIERS LLC 3197459R840858/TX
07/23/2025COIII · Driver-only0—BOOKER TRANSPORTATION SERVICES INC 527990R766547/TX
05/21/2025TXII · Walk-around0—BOOKER TRANSPORTATION SERVICES INC 527990R766547/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KAMYON CARRIERS LLC319745905/14/202606/12/20262TX
BOOKER TRANSPORTATION SERVICES INC52799005/21/202507/23/20252TX
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.
R840858TX1KAMYON CARRIERS LLC05/14/2026 → 06/12/20262
R766547TX—BOOKER TRANSPORTATION SERVICES INC05/21/2025 → 07/23/20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026