Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X4HD432518 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections9
all-time
OOS inspections0
of 9
First seen09/11/2023
CA
Last seen04/13/2026
CA
Inspected under 2 different carriers in 31 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
1XPBDP9X4HD432518
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
06/21/2026
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 · 09/11/2023 – 04/13/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/13/2026CAIII · Driver-only2—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
01/12/2026CAI · Full0—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
06/16/2025CAV · Vehicle-only0—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
03/25/2025NMIII · Driver-only1—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
02/04/2025USI · Full0—VENTURA TRANSFER COMPANY 57438YP64480/CA
09/24/2024AZI · Full2—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
04/12/2024NMII · Walk-around0—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
02/28/2024CAI · Full0—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
09/11/2023CAI · Full0—SPECIALIZED WASTE SOLUTIONS INC 3153650YP64480/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPECIALIZED WASTE SOLUTIONS INC315365009/11/202304/13/20268CA
VENTURA TRANSFER COMPANY5743802/04/202502/04/20251CA
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.
YP64480CA—SPECIALIZED WASTE SOLUTIONS INC09/11/2023 → 04/13/20268
YP64480CA1VENTURA TRANSFER COMPANY02/04/2025 → 02/04/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026