Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBDP9X6RD655953 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections8
all-time
OOS inspections1
of 8
First seen06/28/2023
CA
Last seen07/10/2025
CO
Inspected under 2 different carriers in 25 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
1XPBDP9X6RD655953
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 · 06/28/2023 – 07/10/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
07/10/2025COII · Walk-around2OOSUNITED FOOD SERVICE INC 132048AM55041/AZ
07/08/2025COIII · Driver-only0—UNITED FOOD SERVICE INC 132048AL27716/AZ
11/26/2024CAI · Full0—SHAMROCK FOODS COMPANY 54336AL27716/AZ
08/28/2024CAI · Full0—SHAMROCK FOODS COMPANY 54336AL27716/AZ
06/19/2024CAI · Full0—SHAMROCK FOODS COMPANY 54336AL27716/AZ
11/07/2023CAI · Full0—SHAMROCK FOODS COMPANY 54336AL27716/AZ
08/22/2023CAI · Full0—SHAMROCK FOODS COMPANY 54336AL27716/AZ
06/28/2023CAI · Full1—SHAMROCK FOODS COMPANY 54336AL27716/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED FOOD SERVICE INC13204807/08/202507/10/20252CO
SHAMROCK FOODS COMPANY5433606/28/202311/26/20246AZ
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.
AM55041AZ—UNITED FOOD SERVICE INC07/10/2025 → 07/10/20251
AL27716AZ—UNITED FOOD SERVICE INC07/08/2025 → 07/08/20251
AL27716AZ—SHAMROCK FOODS COMPANY06/28/2023 → 11/26/20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026