Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBDP9X4ND793209 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 9, 2023
CA
Last seenSep 19, 2024
TX
Inspected under 2 different carriers in 9 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
1XPBDP9X4ND793209
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
Jul 31, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
793209

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 · Dec 9, 2023 – Sep 19, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2024TXII · Walk-around0WESTERN TRUCK PARTS & EQUIPMENT COMPANY LLC 8521433222132A/CA
Mar 25, 2024CAIII · Driver-only0CLEAN EARTH SPECIALTY WASTE SOLUTIONS INC 13484119G42450/CA
Dec 9, 2023CAI · Full0WESTERN TRUCK PARTS & EQUIPMENT COMPANY LLC 8521439G42450/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTERN TRUCK PARTS & EQUIPMENT COMPANY LLC852143Dec 9, 2023Sep 19, 20242WA
CLEAN EARTH SPECIALTY WASTE SOLUTIONS INC1348411Mar 25, 2024Mar 25, 20241MN
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.
3222132ACAWESTERN TRUCK PARTS & EQUIPMENT COMPANY LLCSep 19, 2024Sep 19, 20241
9G42450CACLEAN EARTH SPECIALTY WASTE SOLUTIONS INCMar 25, 2024Mar 25, 20241
9G42450CAWESTERN TRUCK PARTS & EQUIPMENT COMPANY LLCDec 9, 2023Dec 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026