Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X8PD812590 · Truck-Tractor · TRUCK
Carriers run under3
38 mo
Inspections13
all-time
OOS inspections5
of 13
First seenJun 29, 2023
PA
Last seenAug 14, 2026
IN
Inspected under 3 different carriers in 38 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
1XPBDP9X8PD812590
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
812590

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
2023

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 · Jun 29, 2023 – Aug 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 14, 2026INII · Walk-around4OOSFLASH INTERMODAL INC 4049824C544FJ/GA
Jul 8, 2026INIII · Driver-only2FLASH INTERMODAL INC 4049824C544FJ/GA
Mar 5, 2026VAI · Full3OOSXTREME LOAD LLC 4501224P1240373/IL
Aug 27, 2024UTI · Full3TWIN CARRIER LLC 3518735P124373/IL
Aug 19, 2024MTII · Walk-around4TWIN CARRIER LLC 3518735P1240373/IL
Aug 9, 2024INI · Full3OOSTWIN CARRIER LLC 3518735P1240373/IL
May 22, 2024NCIII · Driver-only2TWIN CARRIER LLC 3518735APPLIED/IL
Feb 29, 2024VTII · Walk-around3OOSTWIN CARRIER LLC 3518735P1155001/IL
Feb 16, 2024VAIII · Driver-only0TWIN CARRIER LLC 3518735P1155001/IL
Jan 18, 2024ALIII · Driver-only1TWIN CARRIER LLC 3518735P1155001/IL
Jan 8, 2024GAIII · Driver-only6TWIN CARRIER LLC 3518735P1155001/IL
Jul 10, 2023PAIII · Driver-only1TWIN CARRIER LLC 3518735P1155001/IL
Jun 29, 2023PAII · Walk-around10OOSTWIN CARRIER LLC 3518735P1155001/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLASH INTERMODAL INC4049824Jul 8, 2026Aug 14, 20262IL
XTREME LOAD LLC4501224Mar 5, 2026Mar 5, 20261OH
TWIN CARRIER LLC3518735Jun 29, 2023Aug 27, 202410OH
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.
C544FJGA1FLASH INTERMODAL INCJul 8, 2026Aug 14, 20262
P1240373ILXTREME LOAD LLCMar 5, 2026Mar 5, 20261
P124373ILTWIN CARRIER LLCAug 27, 2024Aug 27, 20241
P1240373ILTWIN CARRIER LLCAug 9, 2024Aug 19, 20242
APPLIEDILTWIN CARRIER LLCMay 22, 2024May 22, 20241
P1155001ILTWIN CARRIER LLCJun 29, 2023Feb 29, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026