Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X3KD621832 · Truck-Tractor · TRUCK

Carriers run under2

34 mo

Inspections4

all-time

OOS inspections0

of 4

First seenAug 9, 2023

Last seenJun 1, 2026

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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1XPBDP9X3KD621832
Make: Peterbilt
Model: 579
Model year: 2019
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.

Inspection history

Every roadside inspection of this VIN, newest first · Aug 9, 2023 – Jun 1, 2026

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Jun 1, 2026	WI	I · Full	4	—	HALBERG CONSTRUCTION AND SUPPLY INC 75247	88525Z/WI
Mar 14, 2024	MN	III · Driver-only	2	—	JEFF FOSTER TRUCKING INC 275151	50478Z/WI
Sep 25, 2023	MN	III · Driver-only	1	—	JEFF FOSTER TRUCKING INC 275151	50478Z/MN
Aug 9, 2023	SD	II · Walk-around	1	—	JEFF FOSTER TRUCKING INC 275151	50478Z/WI

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
HALBERG CONSTRUCTION AND SUPPLY INC	75247	Jun 1, 2026	Jun 1, 2026	1	MN
JEFF FOSTER TRUCKING INC	275151	Aug 9, 2023	Mar 14, 2024	3	WI

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
88525Z	WI	—	HALBERG CONSTRUCTION AND SUPPLY INC	Jun 1, 2026 → Jun 1, 2026	1
50478Z	WI	—	JEFF FOSTER TRUCKING INC	Aug 9, 2023 → Mar 14, 2024	2
50478Z	MN	—	JEFF FOSTER TRUCKING INC	Sep 25, 2023 → Sep 25, 2023	1

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026