Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X6RD668698 · Truck-Tractor · TRUCK
Carriers run under1
32 mo
Inspections15
all-time
OOS inspections0
of 15
First seenOct 20, 2023
CA
Last seenJun 11, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X6RD668698
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1994 or 2024

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

North American serial sequence
668698

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
2024

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 20, 2023 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026CAI · Full0D & D CAHILL INC 27756459G86139/CA
Feb 11, 2026CAI · Full1D & D CAHILL INC 27756459G86139/CA
Feb 1, 2026CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Jan 15, 2026CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Dec 10, 2025CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Jul 26, 2025CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Jul 18, 2025CAI · Full2D & D CAHILL INC 27756459G86139/CA
Apr 12, 2025CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Feb 15, 2025CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Jan 14, 2025CAI · Full0D & D CAHILL INC 27756459G86139/CA
Dec 2, 2024CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Jun 27, 2024CAIII · Driver-only0D & D CAHILL INC 27756459G86139/CA
Jun 27, 2024CAV · Vehicle-only0D & D CAHILL INC 27756459G86139/CA
Mar 22, 2024CAII · Walk-around0D & D CAHILL INC 27756459G86139/CA
Oct 20, 2023CAI · Full0D & D CAHILL INC 27756459G86139/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
D & D CAHILL INC2775645Oct 20, 2023Jun 11, 202615CA
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.
9G86139CAD & D CAHILL INCOct 20, 2023Jun 11, 202615
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026