Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBDP9X6ND801682 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections7
all-time
OOS inspections2
of 7
First seenSep 26, 2023
MS
Last seenApr 14, 2026
TX
Inspected under 2 different carriers in 31 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
1XPBDP9X6ND801682
Make
Peterbilt
Model
579
Model year
2022
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BDP9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1992 or 2022

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
801682

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 26, 2023 – Apr 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 14, 2026TXII · Walk-around3T M BROWN TRUCKING INC 311235A557209/MS
Feb 27, 2026TXII · Walk-around1OOST M BROWN TRUCKING INC 311235A557209/MS
Dec 24, 2025ARIII · Driver-only0T M BROWN TRUCKING INC 311235A557209/MS
May 6, 2025AZII · Walk-around5T M BROWN TRUCKING INC 311235A523689/MS
Dec 22, 2023LAIII · Driver-only1B CLEAN TRANSPORTATION INC 2375254A308993/MS
Sep 28, 2023MSII · Walk-around1OOSB CLEAN TRANSPORTATION INC 2375254A308993/MS
Sep 26, 2023MSIII · Driver-only0B CLEAN TRANSPORTATION INC 2375254A308993/MS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
T M BROWN TRUCKING INC311235May 6, 2025Apr 14, 20264MS
B CLEAN TRANSPORTATION INC2375254Sep 26, 2023Dec 22, 20233MS
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.
A557209MST M BROWN TRUCKING INCDec 24, 2025Apr 14, 20263
A523689MST M BROWN TRUCKING INCMay 6, 2025May 6, 20251
A308993MSB CLEAN TRANSPORTATION INCSep 26, 2023Dec 22, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026