Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X1MD742782 · Truck-Tractor · TRUCK
Carriers run under4
30 mo
Inspections6
all-time
OOS inspections1
of 6
First seen12/17/2023
AL
Last seen06/01/2026
TN
Inspected under 4 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
1XPBDP9X1MD742782
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/25/2026
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 · 12/17/2023 – 06/01/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/01/2026TNI · Full1OOS7 T'S TRANSPORTATION LLC 4563884A4563884/MS
04/08/2026MDII · Walk-around1—MERCER TRANSPORTATION COMPANY INC 1547123955337/IN
01/13/2026LAIII · Driver-only2—MERCER TRANSPORTATION COMPANY INC 1547123955337/IN
09/26/2025ALIII · Driver-only1—F2F TRANSPORT LLC 239699V5789HY/TN
03/27/2024NCIII · Driver-only1—PAM TRANSPORT INC 1797523496474/IN
12/17/2023ALIII · Driver-only0—PAM TRANSPORT INC 1797523496474/IN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
7 T'S TRANSPORTATION LLC456388406/01/202606/01/20261MS
MERCER TRANSPORTATION COMPANY INC15471201/13/202604/08/20262KY
F2F TRANSPORT LLC23969909/26/202509/26/20251TN
PAM TRANSPORT INC17975212/17/202303/27/20242AR
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.
A4563884MS—7 T'S TRANSPORTATION LLC06/01/2026 → 06/01/20261
3955337IN—MERCER TRANSPORTATION COMPANY INC01/13/2026 → 04/08/20262
V5789HYTN—F2F TRANSPORT LLC09/26/2025 → 09/26/20251
3496474IN—PAM TRANSPORT INC12/17/2023 → 03/27/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/25/2026