Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X1JD448195 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections2
of 7
First seen07/10/2023
CA
Last seen01/23/2026
MS
Inspected under 2 different carriers in 30 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
1XPBDP9X1JD448195
Make
Peterbilt
Model
579
Model year
2018
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 · 07/10/2023 – 01/23/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
01/23/2026MSII · Walk-around1—YDT EXPRESS LLC 4021753R775364/TX
11/06/2025LAIII · Driver-only1—YDT EXPRESS LLC 4021753R775364/TX
10/02/2025TXII · Walk-around0—YDT EXPRESS LLC 4021753R775364/TX
10/16/2023TNII · Walk-around1OOSADAMS UNLIMITED FREIGHT LLC 3281023R616668/TX
09/11/2023GAIII · Driver-only1—ADAMS UNLIMITED FREIGHT LLC 3281023R616668/TX
08/08/2023NMIII · Driver-only1—ADAMS UNLIMITED FREIGHT LLC 3281023R616668/TX
07/10/2023CAI · Full5OOSADAMS UNLIMITED FREIGHT LLC 3281023R616668/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YDT EXPRESS LLC402175310/02/202501/23/20263TX
ADAMS UNLIMITED FREIGHT LLC328102307/10/202310/16/20234TX
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.
R775364TX—YDT EXPRESS LLC10/02/2025 → 01/23/20263
R616668TX—ADAMS UNLIMITED FREIGHT LLC07/10/2023 → 10/16/20234
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026