Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49XXMD749664 · Truck-Tractor · TRUCK
Carriers run under3
22 mo
Inspections4
all-time
OOS inspections1
of 4
First seenFeb 1, 2024
LA
Last seenDec 17, 2025
CA
Inspected under 3 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
1XPBD49XXMD749664
Make
Peterbilt
Model
579
Model year
2021
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 · Feb 1, 2024 – Dec 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 17, 2025CAII · Walk-around1—R2 CARGO LLC 4363535ZP72818/CA
Jul 16, 2025NVII · Walk-around2—DILIGENT LOGISTIC INC 3679479ZP10599/CA
Jul 4, 2025CAII · Walk-around0—DILIGENT LOGISTIC INC 3679479ZP10599/CA
Feb 1, 2024LAI · Full3OOSWERNER ENTERPRISES INC 53467W34904/NE
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R2 CARGO LLC4363535Dec 17, 2025Dec 17, 20251CA
DILIGENT LOGISTIC INC3679479Jul 4, 2025Jul 16, 20252CA
WERNER ENTERPRISES INC53467Feb 1, 2024Feb 1, 20241NE
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.
ZP72818CA—R2 CARGO LLCDec 17, 2025 → Dec 17, 20251
ZP10599CA—DILIGENT LOGISTIC INCJul 4, 2025 → Jul 16, 20252
W34904NE—WERNER ENTERPRISES INCFeb 1, 2024 → Feb 1, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026
2021 Peterbilt 579 — VIN 1XPBD49XXMD749664