Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBDP9X2GD305555 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 7, 2023
CA
Last seenMar 14, 2025
CA
Inspected under 2 different carriers in 20 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
1XPBDP9X2GD305555
Make
Peterbilt
Model
579
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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 · Jul 7, 2023 – Mar 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 14, 2025CAII · Walk-around0—OLDCASTLE APG WEST INC 543279F18537/CA
Jan 2, 2025CAII · Walk-around3OOSOLDCASTLE APG WEST INC 543279F18537/CA
Aug 5, 2024CAI · Full1OOSOLDCASTLE APG WEST INC 543279F18537/CA
Mar 12, 2024CAI · Full0—CALSTONE CO INC 26520169F18537/CA
Jul 7, 2023CAI · Full0—CALSTONE CO INC 26520169F18537/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLDCASTLE APG WEST INC54327Aug 5, 2024Mar 14, 20253AZ
CALSTONE CO INC2652016Jul 7, 2023Mar 12, 20242CA
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.
9F18537CA—OLDCASTLE APG WEST INCAug 5, 2024 → Mar 14, 20253
9F18537CA—CALSTONE CO INCJul 7, 2023 → Mar 12, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026