Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 379

1XP5DB9X3XN473361 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections7
all-time
OOS inspections0
of 7
First seenDec 28, 2023
MN
Last seenFeb 9, 2026
MT
Inspected under 2 different carriers in 26 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
1XP5DB9X3XN473361
Make
Peterbilt
Model
379
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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 · Dec 28, 2023 – Feb 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 9, 2026MTIII · Driver-only0—SOSTAK TRUCKING LLC 1582189PZB6952/MN
Jan 6, 2026MTI · Full6—SOSTAK TRUCKING LLC 1582189PZB6952/MN
May 9, 2025MTIII · Driver-only0—WILLIAM KLAR 631261PAM7857/MN
Mar 18, 2024MNIII · Driver-only1—WILLIAM KLAR 631261PAM7857/MN
Feb 28, 2024MTII · Walk-around0—WILLIAM KLAR 631261PAM7857/MN
Jan 9, 2024MTIII · Driver-only0—WILLIAM KLAR 631261PAM7857/MN
Dec 28, 2023MNII · Walk-around3—WILLIAM KLAR 631261PAM7857/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOSTAK TRUCKING LLC1582189Jan 6, 2026Feb 9, 20262MN
WILLIAM KLAR631261Dec 28, 2023May 9, 20255MN
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.
PZB6952MN—SOSTAK TRUCKING LLCJan 6, 2026 → Feb 9, 20262
PAM7857MN—WILLIAM KLARDec 28, 2023 → May 9, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026