Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X9MD756217 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 22, 2024
IN
Last seenApr 20, 2026
PA
Inspected under 3 different carriers in 18 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
1XPBD49X9MD756217
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 · Oct 22, 2024 – Apr 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 20, 2026PAIII · Driver-only1BRIGHTON ROCK INC 4528419DF28GF/FL
Mar 1, 2026IAIII · Driver-only5HARMONY GATE INC 4491617DF28GF/FL
Oct 22, 2024INIII · Driver-only1FIRSTFLEET INC 3138913037213/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BRIGHTON ROCK INC4528419Apr 20, 2026Apr 20, 20261KS
HARMONY GATE INC4491617Mar 1, 2026Mar 1, 20261NE
FIRSTFLEET INC313891Oct 22, 2024Oct 22, 20241TN
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.
DF28GFFLBRIGHTON ROCK INCApr 20, 2026Apr 20, 20261
DF28GFFLHARMONY GATE INCMar 1, 2026Mar 1, 20261
3037213INFIRSTFLEET INCOct 22, 2024Oct 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026