Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 379

1XP5DB9X6XD500851 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections5
all-time
OOS inspections0
of 5
First seenFeb 3, 2024
MO
Last seenFeb 5, 2026
ND
Inspected under 2 different carriers in 24 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
1XP5DB9X6XD500851
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 28, 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 · Feb 3, 2024 – Feb 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 5, 2026NDIII · Driver-only0—CORTHELL TRANSPORTATION LLC 1997208215208/KS
Dec 18, 2025COIII · Driver-only1—CORTHELL TRANSPORTATION LLC 1997208215208/KS
Jul 29, 2025SDIII · Driver-only0—CORTHELL TRANSPORTATION LLC 1997208215208/KS
Feb 9, 2024NDIII · Driver-only0—TPNA EXPRESS LLC 717666215208/KS
Feb 3, 2024MOII · Walk-around2—TPNA EXPRESS LLC 717666215208/KS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CORTHELL TRANSPORTATION LLC1997208Jul 29, 2025Feb 5, 20263WY
TPNA EXPRESS LLC717666Feb 3, 2024Feb 9, 20242KS
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.
215208KS—CORTHELL TRANSPORTATION LLCJul 29, 2025 → Feb 5, 20263
215208KS—TPNA EXPRESS LLCFeb 3, 2024 → Feb 9, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026