Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBDP9X2RD655285 · Truck-Tractor · TRUCK
Carriers run under2
12 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMar 21, 2024
TN
Last seenMar 31, 2025
KY
Inspected under 2 different carriers in 12 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
1XPBDP9X2RD655285
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
655285

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
2024

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 · Mar 21, 2024 – Mar 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 31, 2025KYI · Full3OOSDECA TRANSPORT LLC 3977900PWZ6831/OH
Mar 5, 2025NMIII · Driver-only0COSMOS FREIGHT LOGISTICS LLC 3727630Q953452/OH
Jan 14, 2025ALII · Walk-around5OOSDECA TRANSPORT LLC 3977900PWZ6831/OH
Mar 21, 2024TNII · Walk-around1COSMOS FREIGHT LOGISTICS LLC 3727630PWZ6831/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DECA TRANSPORT LLC3977900Jan 14, 2025Mar 31, 20252WA
COSMOS FREIGHT LOGISTICS LLC3727630Mar 21, 2024Mar 5, 20252OH
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.
PWZ6831OHDECA TRANSPORT LLCJan 14, 2025Mar 31, 20252
Q953452OHCOSMOS FREIGHT LOGISTICS LLCMar 5, 2025Mar 5, 20251
PWZ6831OHCOSMOS FREIGHT LOGISTICS LLCMar 21, 2024Mar 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026