Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X7MD736158 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJun 13, 2023
MI
Last seenMay 19, 2026
OR
Inspected under 2 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
1XPBD49X7MD736158
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
Jun 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 · Jun 13, 2023 – May 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 19, 2026ORIII · Driver-only0—SUPER TRANSPORTATION LLC 4446788RP27158/WA
Apr 4, 2026CAI · Full1OOSSUPER TRANSPORTATION LLC 4446788RP27158/WA
Apr 2, 2026ORIII · Driver-only0—SUPER TRANSPORTATION LLC 4446788RP27158/WA
Mar 3, 2026ORIII · Driver-only0—SUPER TRANSPORTATION LLC 4446788RP27158/WA
Feb 24, 2026WAIII · Driver-only1—SUPER TRANSPORTATION LLC 4446788RP27158/WA
Dec 30, 2025WAI · Full7OOSSUPER TRANSPORTATION LLC 4446788RP27158/WA
Nov 13, 2023MIII · Walk-around2—HMD TRUCKING INC 9765602607348/IN
Jun 13, 2023MIIII · Driver-only1—HMD TRUCKING INC 9765602607348/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPER TRANSPORTATION LLC4446788Dec 30, 2025May 19, 20266WA
HMD TRUCKING INC976560Jun 13, 2023Nov 13, 20232IL
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.
RP27158WA—SUPER TRANSPORTATION LLCDec 30, 2025 → May 19, 20266
2607348IN—HMD TRUCKING INCJun 13, 2023 → Nov 13, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026
2021 Peterbilt 579 — VIN 1XPBD49X7MD736158