Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X0MD753173 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 3, 2023
NC
Last seenApr 24, 2026
CA
Inspected under 2 different carriers in 33 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
1XPBD49X0MD753173
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 3, 2023 – Apr 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 24, 2026CAI · Full0—KSG LOGISTICS INC 4028410ZP59504/CA
Jan 29, 2026CAI · Full0—KSG LOGISTICS INC 4028410ZP59504/CA
Jan 15, 2026WYIII · Driver-only2—KSG LOGISTICS INC 4028410ZP59504/CA
Aug 26, 2025CAI · Full0—KSG LOGISTICS INC 4028410ZP59504/CA
May 6, 2024INIII · Driver-only1—NEW TAYLOR TRANSPORTATION LLC 311077T4867HY/TN
Jul 3, 2023NCI · Full0—NEW TAYLOR TRANSPORTATION LLC 311077S0761HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KSG LOGISTICS INC4028410Aug 26, 2025Apr 24, 20264CA
NEW TAYLOR TRANSPORTATION LLC311077Jul 3, 2023May 6, 20242NC
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.
ZP59504CA—KSG LOGISTICS INCAug 26, 2025 → Apr 24, 20264
T4867HYTN—NEW TAYLOR TRANSPORTATION LLCMay 6, 2024 → May 6, 20241
S0761HYTN—NEW TAYLOR TRANSPORTATION LLCJul 3, 2023 → Jul 3, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026
2021 Peterbilt 579 — VIN 1XPBD49X0MD753173