Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X2MD716450 · Truck-Tractor · TRUCK
Carriers run under3
23 mo
Inspections6
all-time
OOS inspections2
of 6
First seenSep 28, 2023
SC
Last seenAug 6, 2025
LA
Inspected under 3 different carriers in 23 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
1XPBD49X2MD716450
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 24, 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 · Sep 28, 2023 – Aug 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 6, 2025LAIII · Driver-only1—TIMBERWOLF TRUCKING INC 2028538ZP38401/CA
Jun 9, 2025NMIII · Driver-only1—TIMBERWOLF TRUCKING INC 2028538ZP38401/CA
May 8, 2025CAI · Full2OOSLAUT TRANSPORTATION INC 2532266ZP38401/CA
Dec 20, 2024CAII · Walk-around1OOSTIMBERWOLF TRUCKING INC 2028538ZP38401/CA
Mar 6, 2024DEII · Walk-around1—MORRISTOWN DRIVER'S SERVICE INC 252487M1424HY/TN
Sep 28, 2023SCIII · Driver-only2—MORRISTOWN DRIVER'S SERVICE INC 252487M1424HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TIMBERWOLF TRUCKING INC2028538Dec 20, 2024Aug 6, 20253CA
LAUT TRANSPORTATION INC2532266May 8, 2025May 8, 20251CA
MORRISTOWN DRIVER'S SERVICE INC252487Sep 28, 2023Mar 6, 20242TN
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.
ZP38401CA—TIMBERWOLF TRUCKING INCDec 20, 2024 → Aug 6, 20253
ZP38401CA—LAUT TRANSPORTATION INCMay 8, 2025 → May 8, 20251
M1424HYTN—MORRISTOWN DRIVER'S SERVICE INCSep 28, 2023 → Mar 6, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026