Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49XXJD479783 · Truck-Tractor · TRUCK
Carriers run under1
27 mo
Inspections13
all-time
OOS inspections0
of 13
First seenJan 12, 2024
CA
Last seenApr 10, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49XXJD479783
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
1988 or 2018

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

North American serial sequence
479783

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
2018

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 · Jan 12, 2024 – Apr 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 10, 2026CAV · Vehicle-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Jan 16, 2026CAV · Vehicle-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Oct 10, 2025CAV · Vehicle-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Sep 4, 2025CAII · Walk-around0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Jul 25, 2025CAV · Vehicle-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Apr 11, 2025CAV · Vehicle-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Jan 31, 2025CAV · Vehicle-only1NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Oct 22, 2024FLIII · Driver-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Oct 11, 2024CAV · Vehicle-only1NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Jul 26, 2024CAV · Vehicle-only1NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Jul 13, 2024CAI · Full0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
May 16, 2024CAI · Full0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
Jan 12, 2024CAV · Vehicle-only0NORTHROP GRUMMAN SYSTEMS CORPORATION 156120XP66207/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHROP GRUMMAN SYSTEMS CORPORATION156120Jan 12, 2024Apr 10, 202613MD
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.
XP66207CA1NORTHROP GRUMMAN SYSTEMS CORPORATIONJan 12, 2024Apr 10, 202613
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026