Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBD49X7SD729384 · Truck-Tractor · TRUCK
Carriers run under2
13 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 26, 2024
KY
Last seenOct 7, 2025
MD
Inspected under 2 different carriers in 13 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
1XPBD49X7SD729384
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
Jul 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 · Sep 26, 2024 – Oct 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 7, 2025MDII · Walk-around2—ZT TRANS INC 34673293686974/FL
Oct 1, 2025ARI · Full6—ZT TRANS INC 34673293686974/IN
May 7, 2025MOII · Walk-around3—NINE TRANSPORTATION GROUP INC 38584403686974/IN
Sep 26, 2024KYIII · Driver-only2—NINE TRANSPORTATION GROUP INC 38584403682164/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZT TRANS INC3467329Oct 1, 2025Oct 7, 20252PA
NINE TRANSPORTATION GROUP INC3858440Sep 26, 2024May 7, 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.
3686974FL—ZT TRANS INCOct 7, 2025 → Oct 7, 20251
3686974IN—ZT TRANS INCOct 1, 2025 → Oct 1, 20251
3686974IN—NINE TRANSPORTATION GROUP INCMay 7, 2025 → May 7, 20251
3682164IN—NINE TRANSPORTATION GROUP INCSep 26, 2024 → Sep 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026