Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 379

1NP5LR9X8XD470550 · Truck · INCOMPLETE VEHICLE
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections1
of 4
First seen07/18/2023
AZ
Last seen08/26/2025
AZ
Inspected under 2 different carriers in 25 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
1NP5LR9X8XD470550
Make
Peterbilt
Model
379
Model year
1999
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/08/2026
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 · 07/18/2023 – 08/26/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
08/26/2025AZII · Walk-around3—FIVE-O MATERIALS LLC 4311151FIVOTKN/AZ
09/12/2023AZI · Full6—BEDROCK LANDSCAPE PRODUCTS LLC 3238970ZJA8A9A/AZ
08/02/2023AZI · Full8OOSBEDROCK LANDSCAPE PRODUCTS LLC 3238970ZJA8A9A/AZ
07/18/2023AZII · Walk-around2—BEDROCK LANDSCAPE PRODUCTS LLC 3238970ZJA8A9A/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIVE-O MATERIALS LLC431115108/26/202508/26/20251AZ
BEDROCK LANDSCAPE PRODUCTS LLC323897007/18/202309/12/20233AZ
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.
FIVOTKNAZ—FIVE-O MATERIALS LLC08/26/2025 → 08/26/20251
ZJA8A9AAZ—BEDROCK LANDSCAPE PRODUCTS LLC07/18/2023 → 09/12/20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/08/2026