Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X0LD717774 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections3
all-time
OOS inspections1
of 3
First seen06/24/2024
AR
Last seen12/04/2025
IN
Inspected under 3 different carriers in 18 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
1XPBDP9X0LD717774
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 · 06/24/2024 – 12/04/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
12/04/2025INI · Full3OOSCHICAGO FREIGHT INC 1223016ALC553133/IL
04/02/2025INII · Walk-around0—RAILPORT SERVICES LLC 1852080T215405/OH
06/24/2024ARIII · Driver-only0—EMPIRE EXPRESS INC 253615K9332HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHICAGO FREIGHT INC122301612/04/202512/04/20251IL
RAILPORT SERVICES LLC185208004/02/202504/02/20251PA
EMPIRE EXPRESS INC25361506/24/202406/24/20241TN
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.
ALC553133IL—CHICAGO FREIGHT INC12/04/2025 → 12/04/20251
T215405OH—RAILPORT SERVICES LLC04/02/2025 → 04/02/20251
K9332HYTN—EMPIRE EXPRESS INC06/24/2024 → 06/24/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/31/2026