Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X2PD803639 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections9
all-time
OOS inspections0
of 9
First seen07/19/2023
PA
Last seen11/10/2025
CA
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
1XPBD49X2PD803639
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
06/19/2026
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 · 07/19/2023 – 11/10/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
11/10/2025CAI · Full2—SPIDER TRANS 3973481ZP71026/CA
03/09/2025GAIII · Driver-only3—SPIDER TRANS 3973481ZP26638/CA
09/18/2024NVIII · Driver-only0—SPIDER TRANS 3973481ZP26638/CA
08/01/2024WAIII · Driver-only1—SPIDER TRANS 3973481ZP26638/CA
07/18/2024MTIII · Driver-only0—SPIDER TRANS 3973481ZP26638/CA
06/28/2024NMII · Walk-around1—SPIDER TRANS 3973481ZP26638/CA
06/03/2024CAI · Full0—SPIDER TRANS 3973481ZP26638/CA
05/08/2024KSII · Walk-around0—SPIDER TRANS 3973481ZP26638/CA
07/19/2023PAIII · Driver-only1—DASHMESH FREIGHT INC 3296605YP54867/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPIDER TRANS397348105/08/202411/10/20258CA
DASHMESH FREIGHT INC329660507/19/202307/19/20231CA
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.
ZP71026CA—SPIDER TRANS11/10/2025 → 11/10/20251
ZP26638CA—SPIDER TRANS05/08/2024 → 03/09/20257
YP54867CA—DASHMESH FREIGHT INC07/19/2023 → 07/19/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/19/2026