Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X9MD714548 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMar 20, 2024
MD
Last seenMay 11, 2026
KY
Inspected under 2 different carriers in 26 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
1XPBD49X9MD714548
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
Jul 30, 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 20, 2024 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026KYI · Full0—VICKERY TRANSPORTATION INC 9780592974685/IN
Nov 21, 2024OHII · Walk-around0—VICKERY TRANSPORTATION INC 9780592974685/IN
Mar 20, 2024MDII · Walk-around0—GRAMMER LOGISTICS INC 1846682974685/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VICKERY TRANSPORTATION INC978059Nov 21, 2024May 11, 20262OH
GRAMMER LOGISTICS INC184668Mar 20, 2024Mar 20, 20241IN
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.
2974685IN—VICKERY TRANSPORTATION INCNov 21, 2024 → May 11, 20262
2974685IN1GRAMMER LOGISTICS INCMar 20, 2024 → Mar 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026