Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X3MD756536 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 31, 2023
NM
Last seenApr 16, 2025
FL
Inspected under 2 different carriers in 21 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
1XPBD49X3MD756536
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 12, 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 · Jul 31, 2023 – Apr 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 16, 2025FLIII · Driver-only0—BISHOP TRUCKING LLC 25555843LU888/OK
Jun 7, 2024OKIII · Driver-only0—MELTON TRUCK LINES INC 346663KA596/OK
Oct 28, 2023NMIII · Driver-only0—MELTON TRUCK LINES INC 346663KA596/OK
Jul 31, 2023NMIII · Driver-only0—MELTON TRUCK LINES INC 346663FC866/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BISHOP TRUCKING LLC2555584Apr 16, 2025Apr 16, 20251OK
MELTON TRUCK LINES INC34666Jul 31, 2023Jun 7, 20243OK
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.
3LU888OK—BISHOP TRUCKING LLCApr 16, 2025 → Apr 16, 20251
3KA596OK—MELTON TRUCK LINES INCOct 28, 2023 → Jun 7, 20242
3FC866OK—MELTON TRUCK LINES INCJul 31, 2023 → Jul 31, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026