Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X9MD735593 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections9
all-time
OOS inspections1
of 9
First seenOct 20, 2023
AR
Last seenMar 2, 2026
CA
Inspected under 2 different carriers in 29 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
1XPBD49X9MD735593
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
Jun 25, 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 · Oct 20, 2023 – Mar 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2026CAII · Walk-around0—TOUR TRUX LLC 4014882W5291HY/TN
May 3, 2025ARIII · Driver-only1—TOUR TRUX LLC 4014882R7359HY/TN
Mar 17, 2025NMIII · Driver-only0—TOUR TRUX LLC 4014882R7359HY/TN
Feb 27, 2025TXI · Full1—TOUR TRUX LLC 4014882R7359HY/TN
Feb 14, 2025GAIII · Driver-only0—TOUR TRUX LLC 4014882R7359HY/TN
Jun 6, 2024NMII · Walk-around0—D & M CARRIERS LLC 9633003FC122/OK
Apr 21, 2024NMII · Walk-around1OOSD & M CARRIERS LLC 9633003FC122/OK
Mar 16, 2024TNIII · Driver-only0—D & M CARRIERS LLC 9633003FC122/OK
Oct 20, 2023ARIII · Driver-only1—D & M CARRIERS LLC 9633003FC122/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOUR TRUX LLC4014882Feb 14, 2025Mar 2, 20265TN
D & M CARRIERS LLC963300Oct 20, 2023Jun 6, 20244OK
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.
W5291HYTN—TOUR TRUX LLCMar 2, 2026 → Mar 2, 20261
R7359HYTN—TOUR TRUX LLCFeb 14, 2025 → May 3, 20254
3FC122OK1D & M CARRIERS LLCOct 20, 2023 → Jun 6, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026