Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5DB9X3WD445774 · Truck-Tractor · TRUCK
Carriers run under2
36 mo
Inspections4
all-time
OOS inspections1
of 4
First seen06/16/2023
MN
Last seen06/23/2026
SD
Inspected under 2 different carriers in 36 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
1XP5DB9X3WD445774
Make
Peterbilt
Model
379
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/11/2026
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 · 06/16/2023 – 06/23/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/23/2026SDII · Walk-around3OOSDEREK NELSEN 3943425PR54256/SD
11/18/2025SDII · Walk-around3—DEREK NELSEN 3943425PR54256/SD
01/17/2024SDIV · Special1—DEREK NELSEN 394342552U610/SD
06/16/2023MNII · Walk-around3—WOLLES MFG LLC 2940094PR47027/SD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DEREK NELSEN394342501/17/202406/23/20263SD
WOLLES MFG LLC294009406/16/202306/16/20231SD
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.
PR54256SD1DEREK NELSEN11/18/2025 → 06/23/20262
52U610SD—DEREK NELSEN01/17/2024 → 01/17/20241
PR47027SD—WOLLES MFG LLC06/16/2023 → 06/16/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/11/2026