Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X6MD670008 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections4
all-time
OOS inspections0
of 4
First seen02/09/2025
AR
Last seen07/01/2026
NJ
Inspected under 2 different carriers in 17 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
1XPBDP9X6MD670008
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
07/12/2026
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 · 02/09/2025 – 07/01/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/01/2026NJIII · Driver-only0—4 REASON TRUCKING INC 2786897C457FD/GA
06/03/2026SCIII · Driver-only3—4 REASON TRUCKING INC 2786897C457FD/GA
06/25/2025ARIII · Driver-only0—EMPIRE EXPRESS INC 253615V5657HY/TN
02/09/2025ARIII · Driver-only1—EMPIRE EXPRESS INC 253615M3563HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4 REASON TRUCKING INC278689706/03/202607/01/20262GA
EMPIRE EXPRESS INC25361502/09/202506/25/20252TN
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.
C457FDGA14 REASON TRUCKING INC06/03/2026 → 07/01/20262
V5657HYTN—EMPIRE EXPRESS INC06/25/2025 → 06/25/20251
M3563HYTN—EMPIRE EXPRESS INC02/09/2025 → 02/09/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026