Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X6HD411881 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections5
all-time
OOS inspections1
of 5
First seen11/23/2023
NM
Last seen07/11/2025
KS
Inspected under 2 different carriers in 20 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
1XPBDP9X6HD411881
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/29/2026
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 · 11/23/2023 – 07/11/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
07/11/2025KSII · Walk-around8—CRYSTAL TARANGO 3452297R700993/TX
11/15/2024NMIII · Driver-only0—EMA TRANSPORT SERVICES LLC 1964770R751782/TX
06/22/2024ARIII · Driver-only1—CRYSTAL TARANGO 3452297R700993/TX
02/29/2024KYI · Full4OOSCRYSTAL TARANGO 3452297R700993/TX
11/23/2023NMIII · Driver-only0—CRYSTAL TARANGO 3452297R700993/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CRYSTAL TARANGO345229711/23/202307/11/20254TX
EMA TRANSPORT SERVICES LLC196477011/15/202411/15/20241TX
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.
R700993TX—CRYSTAL TARANGO11/23/2023 → 07/11/20254
R751782TX—EMA TRANSPORT SERVICES LLC11/15/2024 → 11/15/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026