Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X4PD799899 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections1
of 4
First seen03/10/2024
CA
Last seen04/14/2026
OH
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
1XPBDP9X4PD799899
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
07/12/2026
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 · 03/10/2024 – 04/14/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/14/2026OHI · Full2OOSHOLTKAMP TRANSPORTATION LLC 3226914MX6594/IA
04/10/2026LAIII · Driver-only0—HOLTKAMP TRANSPORTATION LLC 3226914MX6594/IA
12/12/2024MOIII · Driver-only0—VINTAGE TRANSPORT INC 3111173R663123/TX
03/10/2024CAIII · Driver-only1—VINTAGE TRANSPORT INC 3111173R663123/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HOLTKAMP TRANSPORTATION LLC322691404/10/202604/14/20262IA
VINTAGE TRANSPORT INC311117303/10/202412/12/20242TX
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.
MX6594IA—HOLTKAMP TRANSPORTATION LLC04/10/2026 → 04/14/20262
R663123TX—VINTAGE TRANSPORT INC03/10/2024 → 12/12/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026