Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X5PD837218 · Truck-Tractor · TRUCK
Carriers run under4
35 mo
Inspections9
all-time
OOS inspections1
of 9
First seen08/04/2023
TX
Last seen07/13/2026
WA
Inspected under 4 different carriers in 35 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
1XPBD49X5PD837218
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
06/21/2026
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 · 08/04/2023 – 07/13/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/13/2026WAII · Walk-around0—VS INTEGRITY LLC 441661328KT1Y/MO
04/22/2026CAI · Full2—ISV LLC 309050328KT1Y/MO
03/28/2026UTIII · Driver-only0—ISV LLC 309050328KT1Y/MO
01/20/2026TXII · Walk-around1OOSISV LLC 309050328KT1Y/MO
11/06/2025KYII · Walk-around3—ISV LLC 309050313KT0T/MO
10/23/2024UTI · Full4—MAX LOGISTICS LLC 3758769YAKI961/OR
05/10/2024TXII · Walk-around2—J A CARRIERS LLC 2521439R644262/TX
02/15/2024TXII · Walk-around0—J A CARRIERS LLC 2521439R644262/TX
08/04/2023TXII · Walk-around0—J A CARRIERS LLC 2521439R644262/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VS INTEGRITY LLC441661307/13/202607/13/20261IL
ISV LLC309050311/06/202504/22/20264MO
MAX LOGISTICS LLC375876910/23/202410/23/20241OR
J A CARRIERS LLC252143908/04/202305/10/20243TX
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.
28KT1YMO1VS INTEGRITY LLC07/13/2026 → 07/13/20261
28KT1YMO—ISV LLC01/20/2026 → 04/22/20263
13KT0TMO—ISV LLC11/06/2025 → 11/06/20251
YAKI961OR—MAX LOGISTICS LLC10/23/2024 → 10/23/20241
R644262TX—J A CARRIERS LLC08/04/2023 → 05/10/20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026