Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49XXND766966 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections9
all-time
OOS inspections7
of 9
First seenOct 3, 2023
CA
Last seenJun 2, 2026
CA
Inspected under 2 different carriers in 32 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
1XPBD49XXND766966
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 19, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
766966

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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 · Oct 3, 2023 – Jun 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 2, 2026CAIII · Driver-only3OOSB4B TRUCKS INC 2969010YP15513/CA
May 13, 2026TXI · Full4UNITED TRANSPORT INC 731415YP15513/CA
Jan 1, 2026CAIII · Driver-only12OOSUNITED TRANSPORT INC 731415YP15513/CA
Nov 10, 2025CAII · Walk-around7OOSUNITED TRANSPORT INC 731415YP15513/CA
Jul 31, 2025NMIII · Driver-only2OOSUNITED TRANSPORT INC 731415YP15513/CA
Jan 7, 2025AZII · Walk-around5UNITED TRANSPORT INC 731415YP15513/CA
Jan 7, 2025AZII · Walk-around8OOSUNITED TRANSPORT INC 731415YP15513/CA
Aug 7, 2024ILII · Walk-around4OOSB4B TRUCKS INC 2969010YP15513/CA
Oct 3, 2023CAII · Walk-around7OOSB4B TRUCKS INC 2969010YP15513/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
B4B TRUCKS INC2969010Oct 3, 2023Jun 2, 20263CA
UNITED TRANSPORT INC731415Jan 7, 2025May 13, 20266CA
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.
YP15513CAB4B TRUCKS INCOct 3, 2023Jun 2, 20263
YP15513CAUNITED TRANSPORT INCJan 7, 2025May 13, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026