Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBDP9X5RD655958 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections7
all-time
OOS inspections0
of 7
First seen07/03/2023
CA
Last seen10/21/2025
WY
Inspected under 2 different carriers in 27 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
1XPBDP9X5RD655958
Make
Peterbilt
Model
579
Model year
2024
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 · 07/03/2023 – 10/21/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
10/21/2025WYI · Full0—UNITED FOOD SERVICE INC 132048AL28976/AZ
03/15/2025CAII · Walk-around0—SHAMROCK FOODS COMPANY 54336AL28976/AZ
07/04/2024CAII · Walk-around1—SHAMROCK FOODS COMPANY 54336AL28976/AZ
01/26/2024CAI · Full0—SHAMROCK FOODS COMPANY 54336AL28976/AZ
10/18/2023CAIII · Driver-only0—SHAMROCK FOODS COMPANY 54336AL28976/AZ
09/11/2023CAI · Full0—SHAMROCK FOODS COMPANY 54336AL28976/AZ
07/03/2023CAII · Walk-around0—SHAMROCK FOODS COMPANY 54336AL28976/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED FOOD SERVICE INC13204810/21/202510/21/20251CO
SHAMROCK FOODS COMPANY5433607/03/202303/15/20256AZ
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.
AL28976AZ—UNITED FOOD SERVICE INC10/21/2025 → 10/21/20251
AL28976AZ—SHAMROCK FOODS COMPANY07/03/2023 → 03/15/20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026