Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9XXLD717930 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections3
all-time
OOS inspections2
of 3
First seen09/18/2023
OK
Last seen05/19/2026
TX
Inspected under 3 different carriers in 32 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
1XPBDP9XXLD717930
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/31/2026
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 · 09/18/2023 – 05/19/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/19/2026TXII · Walk-around8OOSREDROCK HEAVY TRANSPORT LLC 4550380R830857/TX
10/09/2025NMII · Walk-around2OOSCOLOMBIANS TRUCKING LLC 4081409R784082/TX
09/18/2023OKIII · Driver-only2—CONTRACT FREIGHTERS INC 702893269023/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REDROCK HEAVY TRANSPORT LLC455038005/19/202605/19/20261TX
COLOMBIANS TRUCKING LLC408140910/09/202510/09/20251TX
CONTRACT FREIGHTERS INC7028909/18/202309/18/20231MO
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.
R830857TX—REDROCK HEAVY TRANSPORT LLC05/19/2026 → 05/19/20261
R784082TX—COLOMBIANS TRUCKING LLC10/09/2025 → 10/09/20251
3269023IN—CONTRACT FREIGHTERS INC09/18/2023 → 09/18/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/31/2026