Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49XXMD735599 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 3, 2023
NM
Last seenMay 1, 2026
IN
Inspected under 2 different carriers in 33 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
1XPBD49XXMD735599
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 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 · Aug 3, 2023 – May 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 1, 2026INII · Walk-around1—NEIER INC 3945633101816/IN
Aug 28, 2025ALIII · Driver-only0—NEIER INC 3945633101816/IN
Oct 26, 2024NMII · Walk-around0—D & M CARRIERS LLC 9633003HF839/OK
May 14, 2024OHI · Full1—D & M CARRIERS LLC 9633003HF839/OK
Aug 3, 2023NMII · Walk-around0—D & M CARRIERS LLC 9633003HF839/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NEIER INC394563Aug 28, 2025May 1, 20262IN
D & M CARRIERS LLC963300Aug 3, 2023Oct 26, 20243OK
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.
3101816IN—NEIER INCAug 28, 2025 → May 1, 20262
3HF839OK1D & M CARRIERS LLCAug 3, 2023 → Oct 26, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026