Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X3PD831885 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 22, 2023
MT
Last seenApr 29, 2025
SD
Inspected under 2 different carriers in 22 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
1XPBD49X3PD831885
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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 · Jun 22, 2023 – Apr 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2025SDIII · Driver-only0—2444104 ALBERTA LTD 39539110AU203/AB
Jan 4, 2025MTIII · Driver-only1—2444104 ALBERTA LTD 39539110AU203/AB
Jul 9, 2024SDIII · Driver-only0—2444104 ALBERTA LTD 39539110AU203/AB
Jul 14, 2023IDII · Walk-around0—RG ROADWAYS LTD 3409387CPP042/MB
Jul 5, 2023CAII · Walk-around2OOSRG ROADWAYS LTD 3409387CPP042/MB
Jun 22, 2023MTIII · Driver-only0—RG ROADWAYS LTD 3409387CPP042/MB
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
2444104 ALBERTA LTD3953911Jul 9, 2024Apr 29, 20253AB
RG ROADWAYS LTD3409387Jun 22, 2023Jul 14, 20233MB
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.
0AU203AB—2444104 ALBERTA LTDJul 9, 2024 → Apr 29, 20253
CPP042MB—RG ROADWAYS LTDJun 22, 2023 → Jul 14, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026