Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X3MD748050 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJan 17, 2024
PA
Last seenJun 9, 2026
OH
Inspected under 3 different carriers in 29 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
1XPBD49X3MD748050
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
Jun 24, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 17, 2024 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026OHII · Walk-around0—KAG SPECIALTY PRODUCTS GROUP LLC 76483PWV6859/OH
Dec 31, 2025OHII · Walk-around0—KAG SPECIALTY PRODUCTS GROUP LLC 76483PWV6859/OH
Jun 2, 2025TNI · Full3—KAG SPECIALTY PRODUCTS GROUP LLC 76483PMV6859/OH
Mar 19, 2025OHII · Walk-around0—SERVICE TRANSPORT COMPANY 229662R744913/TX
Nov 9, 2024OKII · Walk-around0—SERVICE TRANSPORT COMPANY 229662R744913/TX
Jan 17, 2024PAII · Walk-around1—INDIAN RIVER TRANSPORT CO 123611AB26PQ/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KAG SPECIALTY PRODUCTS GROUP LLC76483Jun 2, 2025Jun 9, 20263OH
SERVICE TRANSPORT COMPANY229662Nov 9, 2024Mar 19, 20252TX
INDIAN RIVER TRANSPORT CO123611Jan 17, 2024Jan 17, 20241FL
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.
PWV6859OH1KAG SPECIALTY PRODUCTS GROUP LLCDec 31, 2025 → Jun 9, 20262
PMV6859OH1KAG SPECIALTY PRODUCTS GROUP LLCJun 2, 2025 → Jun 2, 20251
R744913TX1SERVICE TRANSPORT COMPANYNov 9, 2024 → Mar 19, 20252
AB26PQFL—INDIAN RIVER TRANSPORT COJan 17, 2024 → Jan 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026