Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 379

1XP5DB9X6TD398333 · Truck-Tractor · TRUCK
Carriers run under3
21 mo
Inspections8
all-time
OOS inspections0
of 8
First seenAug 26, 2023
IA
Last seenMay 28, 2025
NE
Inspected under 3 different carriers in 21 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
1XP5DB9X6TD398333
Make
Peterbilt
Model
379
Model year
1996
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 · Aug 26, 2023 – May 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2025NEIII · Driver-only2—KORY KLEIN 3141964FY6959/IA
Feb 13, 2025KSII · Walk-around1—BACKROADS TRUCKING INC 3319603FY6959/IA
Nov 13, 2024KSII · Walk-around4—BACKROADS TRUCKING INC 3319603FY6959/IA
Sep 4, 2024KSII · Walk-around4—BACKROADS TRUCKING INC 3319603FY6959/IA
Aug 5, 2024KSII · Walk-around2—BACKROADS TRUCKING INC 3319603TEMP/IA
Jan 26, 2024MOII · Walk-around2—MARK FREDERICK TRUCKING LLC 2794216FB7520/IA
Dec 6, 2023IAII · Walk-around1—MARK FREDERICK TRUCKING LLC 2794216FB7520/IA
Aug 26, 2023IAII · Walk-around2—MARK FREDERICK TRUCKING LLC 2794216FB7520/IA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KORY KLEIN3141964May 28, 2025May 28, 20251IA
BACKROADS TRUCKING INC3319603Aug 5, 2024Feb 13, 20254IA
MARK FREDERICK TRUCKING LLC2794216Aug 26, 2023Jan 26, 20243IA
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.
FY6959IA—KORY KLEINMay 28, 2025 → May 28, 20251
FY6959IA—BACKROADS TRUCKING INCSep 4, 2024 → Feb 13, 20253
TEMPIA—BACKROADS TRUCKING INCAug 5, 2024 → Aug 5, 20241
FB7520IA—MARK FREDERICK TRUCKING LLCAug 26, 2023 → Jan 26, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026