Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X1ND776334 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections8
all-time
OOS inspections3
of 8
First seenMar 28, 2024
IL
Last seenMar 23, 2026
CO
Inspected under 2 different carriers in 24 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
1XPBD49X1ND776334
Make
Peterbilt
Model
579
Model year
2022
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 · Mar 28, 2024 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026COIII · Driver-only6—SECURITY SPECIALIZED TRANSPORTATION LLC 30150413MH916/OK
Mar 17, 2026KSII · Walk-around3OOSSECURITY SPECIALIZED TRANSPORTATION LLC 30150413MH916/OK
Dec 30, 2025TXII · Walk-around1—SECURITY SPECIALIZED TRANSPORTATION LLC 30150413MH916/OK
Dec 21, 2025TXII · Walk-around2OOSSECURITY SPECIALIZED TRANSPORTATION LLC 30150413MH916/OK
Aug 10, 2025NEIII · Driver-only2—SECURITY SPECIALIZED TRANSPORTATION LLC 30150413MH916/OK
Aug 2, 2025TXII · Walk-around1OOSSECURITY SPECIALIZED TRANSPORTATION LLC 30150413MH916/OK
Oct 19, 2024ARI · Full0—MELTON TRUCK LINES INC 346663FM884/OK
Mar 28, 2024ILIII · Driver-only0—MELTON TRUCK LINES INC 346663FM884/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SECURITY SPECIALIZED TRANSPORTATION LLC3015041Aug 2, 2025Mar 23, 20266OK
MELTON TRUCK LINES INC34666Mar 28, 2024Oct 19, 20242OK
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.
3MH916OK—SECURITY SPECIALIZED TRANSPORTATION LLCAug 2, 2025 → Mar 23, 20266
3FM884OK—MELTON TRUCK LINES INCMar 28, 2024 → Oct 19, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026