Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X8HD446860 · Truck-Tractor · TRUCK
Carriers run under4
21 mo
Inspections5
all-time
OOS inspections0
of 5
First seen03/24/2024
WA
Last seen12/02/2025
CO
Inspected under 4 different carriers in 21 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
1XPBDP9X8HD446860
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 · 03/24/2024 – 12/02/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
12/02/2025COIII · Driver-only0—OPOL FREIGHT INC 3534004P1316792/IL
03/28/2025UTI · Full0—ALIF UZ CORP 3472462PXC0129/OH
12/02/2024CAI · Full0—USKG TRANS INC 3734139P1256876/IL
11/25/2024CAII · Walk-around0—USKG TRANS INC 3734139P1256876/IL
03/24/2024WAI · Full6—GR FREIGHT LINE INC 3473736P1219552/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OPOL FREIGHT INC353400412/02/202512/02/20251IL
ALIF UZ CORP347246203/28/202503/28/20251OH
USKG TRANS INC373413911/25/202412/02/20242IL
GR FREIGHT LINE INC347373603/24/202403/24/20241IL
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.
P1316792IL—OPOL FREIGHT INC12/02/2025 → 12/02/20251
PXC0129OH—ALIF UZ CORP03/28/2025 → 03/28/20251
P1256876IL—USKG TRANS INC11/25/2024 → 12/02/20242
P1219552IL—GR FREIGHT LINE INC03/24/2024 → 03/24/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026