Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49XXND770791 · Truck-Tractor · TRUCK
Carriers run under3
27 mo
Inspections7
all-time
OOS inspections0
of 7
First seenDec 21, 2023
NY
Last seenMar 13, 2026
KS
Inspected under 3 different carriers in 27 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
1XPBD49XXND770791
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 21, 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
770791

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 · Dec 21, 2023 – Mar 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 13, 2026KSIII · Driver-only1G CHAHAL TRUCKING 2872729ZP83166/CA
Feb 24, 2026TXII · Walk-around2G CHAHAL TRUCKING 2872729ZP83166/CA
Jan 28, 2026AZII · Walk-around1G CHAHAL TRUCKING 2872729ZP83166/CA
May 27, 2025NMIII · Driver-only1COMPASS TRUCKLINES INC 3508713ZP45363/CA
Apr 24, 2025ARII · Walk-around2COMPASS TRUCKLINES INC 3508713ZP45363/CA
Jan 25, 2024NMII · Walk-around3WERNER ENTERPRISES INC 53467W37611/NE
Dec 21, 2023NYIII · Driver-only0WERNER ENTERPRISES INC 53467W37611/NE
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
G CHAHAL TRUCKING2872729Jan 28, 2026Mar 13, 20263CA
COMPASS TRUCKLINES INC3508713Apr 24, 2025May 27, 20252TX
WERNER ENTERPRISES INC53467Dec 21, 2023Jan 25, 20242NE
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.
ZP83166CAG CHAHAL TRUCKINGJan 28, 2026Mar 13, 20263
ZP45363CACOMPASS TRUCKLINES INCApr 24, 2025May 27, 20252
W37611NEWERNER ENTERPRISES INCDec 21, 2023Jan 25, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026