Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X4PD872400 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections5
all-time
OOS inspections0
of 5
First seen09/04/2023
AZ
Last seen05/07/2026
CA
Inspected under 3 different carriers in 32 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
1XPBD49X4PD872400
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
06/28/2026
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 · 09/04/2023 – 05/07/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/07/2026CAI · Full0—HR SERVICES LLC 2439172ZP63420/CA
10/27/2025CAII · Walk-around0—HR SERVICES LLC 2439172ZP63420/CA
06/09/2025CAI · Full0—HARTER GROUND SOLUTIONS INC 3039307ZP63420/CA
05/16/2025CAII · Walk-around1—HARTER GROUND SOLUTIONS INC 3039307ZP63420/CA
09/04/2023AZI · Full0—KAG ENERGY LLC 469756PWV5501/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HR SERVICES LLC243917210/27/202505/07/20262NV
HARTER GROUND SOLUTIONS INC303930705/16/202506/09/20252CA
KAG ENERGY LLC46975609/04/202309/04/20231OH
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.
ZP63420CA—HR SERVICES LLC10/27/2025 → 05/07/20262
ZP63420CA—HARTER GROUND SOLUTIONS INC05/16/2025 → 06/09/20252
PWV5501OH1KAG ENERGY LLC09/04/2023 → 09/04/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/28/2026