Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X8LD634321 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 24, 2023
CA
Last seenJul 22, 2026
FL
Inspected under 2 different carriers in 34 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
1XPBDP9X8LD634321
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
Jul 12, 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 · Sep 24, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026FLIII · Driver-only0—SOUTHERN SPECIALTY FREIGHT LLC 3306210R810665/TX
Jun 30, 2026TXII · Walk-around6—SOUTHERN SPECIALTY FREIGHT LLC 3306210R810665/TX
Apr 16, 2026TXII · Walk-around7OOSSOUTHERN SPECIALTY FREIGHT LLC 3306210R810665/TX
Apr 15, 2026ALIII · Driver-only1—SOUTHERN SPECIALTY FREIGHT LLC 3306210R810665/TX
Sep 24, 2023CAI · Full0—SPRINTER TRUCKING INC 605418YAJE542/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN SPECIALTY FREIGHT LLC3306210Apr 15, 2026Jul 22, 20264TN
SPRINTER TRUCKING INC605418Sep 24, 2023Sep 24, 20231OR
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.
R810665TX1SOUTHERN SPECIALTY FREIGHT LLCApr 15, 2026 → Jul 22, 20264
YAJE542OR—SPRINTER TRUCKING INCSep 24, 2023 → Sep 24, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026