Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBD49X8SD679451 · Truck-Tractor · TRUCK

Carriers run under2

18 mo

Inspections3

all-time

OOS inspections1

of 3

First seen06/14/2024

Last seen12/02/2025

Inspected under 2 different carriers in 18 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1XPBD49X8SD679451
Make: Peterbilt
Model: 579
Model year: 2025
Body class: Truck-Tractor
Vehicle type: TRUCK
GVWR: Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at: 07/30/2026

vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.

Inspection history

Every roadside inspection of this VIN, newest first · 06/14/2024 – 12/02/2025

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
12/02/2025	AK	II · Walk-around	1	—	MIDNIGHT SUN TRANSPORTATION SERVICES LLC 309261	MAU489/AK
07/11/2025	AK	III · Driver-only	0	—	MIDNIGHT SUN TRANSPORTATION SERVICES LLC 309261	MAU489/AK
06/14/2024	WA	II · Walk-around	3	OOS	ALASKA FREIGHT EXPRESS LLC 272017	D51211E/WA

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
MIDNIGHT SUN TRANSPORTATION SERVICES LLC	309261	07/11/2025	12/02/2025	2	AK
ALASKA FREIGHT EXPRESS LLC	272017	06/14/2024	06/14/2024	1	WA

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
MAU489	AK	—	MIDNIGHT SUN TRANSPORTATION SERVICES LLC	07/11/2025 → 12/02/2025	2
D51211E	WA	—	ALASKA FREIGHT EXPRESS LLC	06/14/2024 → 06/14/2024	1

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/30/2026