Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49XXMD736154 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections4
all-time
OOS inspections1
of 4
First seenFeb 2, 2024
TN
Last seenJul 23, 2026
CA
Inspected under 3 different carriers in 29 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
1XPBD49XXMD736154
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 26, 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 2, 2024 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026CAII · Walk-around5OOSNORMA L MARTINEZ 3468352ZP36756/CA
Oct 23, 2025CAV · Vehicle-only0—NORMA L MARTINEZ 3468352ZP36756/CA
Jul 2, 2025VAIII · Driver-only1—BENEFIT TRUCKING LLC 11361722607459/IN
Feb 2, 2024TNIII · Driver-only0—HMD TRUCKING INC 9765602607459/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORMA L MARTINEZ3468352Oct 23, 2025Jul 23, 20262CA
BENEFIT TRUCKING LLC1136172Jul 2, 2025Jul 2, 20251IN
HMD TRUCKING INC976560Feb 2, 2024Feb 2, 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.
ZP36756CA1NORMA L MARTINEZOct 23, 2025 → Jul 23, 20262
2607459IN—BENEFIT TRUCKING LLCJul 2, 2025 → Jul 2, 20251
2607459IN—HMD TRUCKING INCFeb 2, 2024 → Feb 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026