Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9XXLD717328 · Truck-Tractor · TRUCK
Carriers run under5
16 mo
Inspections6
all-time
OOS inspections1
of 6
First seen02/12/2025
GA
Last seen06/17/2026
KS
Inspected under 5 different carriers in 16 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
1XPBDP9XXLD717328
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/27/2026
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 · 02/12/2025 – 06/17/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/17/2026KSII · Walk-around1—TEACHER TRANSPORT LLC 231358849P783N/TX
06/17/2026KSII · Walk-around1—TEACHER TRANSPORT LLC 231358849P783N/TX
09/12/2025LAIII · Driver-only1—MAD DUCK LLC 3212546VIN7328/IL
08/11/2025TXII · Walk-around3—RED DIAMOND FREIGHT LLC 375312581P278N/TX
08/07/2025TXI · Full5OOSFORGELINE LOGISTICS LLC 381928381P278N/TX
02/12/2025GAIII · Driver-only2—MA LOGISTICS LLC 3560256RC44446/MI
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TEACHER TRANSPORT LLC231358806/17/202606/17/20262TX
MAD DUCK LLC321254609/12/202509/12/20251IL
RED DIAMOND FREIGHT LLC375312508/11/202508/11/20251TX
FORGELINE LOGISTICS LLC381928308/07/202508/07/20251TX
MA LOGISTICS LLC356025602/12/202502/12/20251MA
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.
49P783NTX1TEACHER TRANSPORT LLC06/17/2026 → 06/17/20262
VIN7328IL—MAD DUCK LLC09/12/2025 → 09/12/20251
81P278NTX—RED DIAMOND FREIGHT LLC08/11/2025 → 08/11/20251
81P278NTX—FORGELINE LOGISTICS LLC08/07/2025 → 08/07/20251
RC44446MI—MA LOGISTICS LLC02/12/2025 → 02/12/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/27/2026