Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X3MD734103 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 30, 2023
TN
Last seenApr 9, 2026
MO
Inspected under 2 different carriers in 34 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
1XPBDP9X3MD734103
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 29, 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 · Jun 30, 2023 – Apr 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 9, 2026MOI · Full0—KENNETH HARVEY INC 8676767KS1L/MO
May 3, 2024TNI · Full0—NEW PRIME INC 370624KR5V/MO
Nov 17, 2023NCI · Full0—NEW PRIME INC 370624KR5V/MO
Jul 28, 2023NMIII · Driver-only1—NEW PRIME INC 370624KR5V/MO
Jun 30, 2023TNIII · Driver-only0—NEW PRIME INC 370624KR5V/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KENNETH HARVEY INC86767Apr 9, 2026Apr 9, 20261MO
NEW PRIME INC3706Jun 30, 2023May 3, 20244MO
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.
67KS1LMO—KENNETH HARVEY INCApr 9, 2026 → Apr 9, 20261
24KR5VMO—NEW PRIME INCJun 30, 2023 → May 3, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026