Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X6MD735504 · Truck-Tractor · TRUCK
Carriers run under1
13 mo
Inspections5
all-time
OOS inspections0
of 5
First seenFeb 12, 2025
CA
Last seenMar 31, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X6MD735504
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
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 12, 2025 – Mar 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 31, 2026CAIII · Driver-only1—BARRY J SPRINGER 3061085ZP37652/CA
Jan 6, 2026CAI · Full0—BARRY J SPRINGER 3061085ZP37652/CA
Oct 30, 2025WAIII · Driver-only1—BARRY J SPRINGER 3061085ZP37652/CA
Jul 23, 2025CAI · Full1—BARRY J SPRINGER 3061085ZP37652/CA
Feb 12, 2025CAI · Full0—BARRY J SPRINGER 3061085ZP37652/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BARRY J SPRINGER3061085Feb 12, 2025Mar 31, 20265CA
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.
ZP37652CA—BARRY J SPRINGERFeb 12, 2025 → Mar 31, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026