Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X9RD657551 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 9, 2024
CA
Last seenDec 31, 2025
CA
Inspected under 2 different carriers in 17 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
1XPBD49X9RD657551
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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 · Jul 9, 2024 – Dec 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 31, 2025CAIII · Driver-only0—FLOWTRANS LLC 3650177R809959/TX
Aug 30, 2025TXII · Walk-around0—NEWPARK DRILLING FLUIDS LLC 707030R681922/TX
Dec 4, 2024NMIII · Driver-only0—FLOWTRANS LLC 3650177R681922/TX
Nov 15, 2024NMI · Full0—FLOWTRANS LLC 3650177R681922/TX
Jul 9, 2024CAII · Walk-around0—FLOWTRANS LLC 3650177R681922/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLOWTRANS LLC3650177Jul 9, 2024Dec 31, 20254FL
NEWPARK DRILLING FLUIDS LLC707030Aug 30, 2025Aug 30, 20251TX
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.
R809959TX—FLOWTRANS LLCDec 31, 2025 → Dec 31, 20251
R681922TX—NEWPARK DRILLING FLUIDS LLCAug 30, 2025 → Aug 30, 20251
R681922TX—FLOWTRANS LLCJul 9, 2024 → Dec 4, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026