Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X6MD736149 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections3
all-time
OOS inspections0
of 3
First seenApr 4, 2024
PA
Last seenApr 21, 2026
CO
Inspected under 2 different carriers in 24 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
1XPBD49X6MD736149
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 30, 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 · Apr 4, 2024 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026COIII · Driver-only1MOLDSURS INC 3440478P1335294/IL
Nov 6, 2025NMII · Walk-around0MOLDSURS INC 3440478TEMP/IL
Apr 4, 2024PAIII · Driver-only2HMD TRUCKING INC 9765602607316/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MOLDSURS INC3440478Nov 6, 2025Apr 21, 20262IL
HMD TRUCKING INC976560Apr 4, 2024Apr 4, 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.
P1335294ILMOLDSURS INCApr 21, 2026Apr 21, 20261
TEMPILMOLDSURS INCNov 6, 2025Nov 6, 20251
2607316INHMD TRUCKING INCApr 4, 2024Apr 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026