Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X6LD700610 · Truck-Tractor · TRUCK
Carriers run under3
33 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 19, 2023
IL
Last seenJun 27, 2026
TX
Inspected under 3 different carriers in 33 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
1XPBDP9X6LD700610
Make
Peterbilt
Model
579
Model year
2020
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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1990 or 2020

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

North American serial sequence
700610

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
2020

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 19, 2023 – Jun 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 27, 2026TXII · Walk-around2PUZZLE SOLVERS TRANSPORTATION INC 3535833ZP84805/CA
May 20, 2026INI · Full0DR TRANS LLC 3771325CDVY00/CO
Mar 19, 2026MSII · Walk-around0DR TRANS LLC 3771325TEMP/IN
Feb 17, 2026GAIII · Driver-only2DR TRANS LLC 3771325TEMP TAG/CO
Sep 19, 2023ILIII · Driver-only0FORTRESS LOGISTICS INC 3346501PWN1342/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PUZZLE SOLVERS TRANSPORTATION INC3535833Jun 27, 2026Jun 27, 20261CA
DR TRANS LLC3771325Feb 17, 2026May 20, 20263NC
FORTRESS LOGISTICS INC3346501Sep 19, 2023Sep 19, 20231OH
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.
ZP84805CA1PUZZLE SOLVERS TRANSPORTATION INCJun 27, 2026Jun 27, 20261
CDVY00CODR TRANS LLCMay 20, 2026May 20, 20261
TEMPINDR TRANS LLCMar 19, 2026Mar 19, 20261
TEMP TAGCODR TRANS LLCFeb 17, 2026Feb 17, 20261
PWN1342OHFORTRESS LOGISTICS INCSep 19, 2023Sep 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026