Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X4PD873189 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections5
all-time
OOS inspections3
of 5
First seenDec 30, 2023
AZ
Last seenNov 21, 2025
CA
Inspected under 2 different carriers in 23 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
1XPBDP9X4PD873189
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
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 · Dec 30, 2023 – Nov 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 21, 2025CAII · Walk-around1—ALCO HARVESTING LLC 2210324YP64282/CA
Nov 13, 2025CAI · Full10OOSALCO HARVESTING LLC 2210324YP64282/CA
Nov 19, 2024CAI · Full0—ALCO HARVESTING LLC 2210324YP64282/CA
Feb 13, 2024AZII · Walk-around2OOSCOTECO DISTRIBUTING CO INC 1006481YP64282/AZ
Dec 30, 2023AZI · Full3OOSALCO HARVESTING LLC 2210324YP64282/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALCO HARVESTING LLC2210324Dec 30, 2023Nov 21, 20254CA
COTECO DISTRIBUTING CO INC1006481Feb 13, 2024Feb 13, 20241CA
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.
YP64282CA—ALCO HARVESTING LLCDec 30, 2023 → Nov 21, 20254
YP64282AZ—COTECO DISTRIBUTING CO INCFeb 13, 2024 → Feb 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026