Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBAP7X9HD415290 · Truck-Tractor · TRUCK
Carriers run under1
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 10, 2024
CA
Last seenJul 28, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBAP7X9HD415290
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)
Decoded at
Jul 30, 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
BAP7X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1987 or 2017

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

North American serial sequence
415290

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 · 37 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 37 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
2017

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 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)

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 · Jun 10, 2024 – Jul 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 28, 2026CAV · Vehicle-only2TRI COUNTIES TRUCKING 36175709H40471/CA
Oct 14, 2024NVII · Walk-around0TRI COUNTIES TRUCKING 36175709G66564/CA
Jun 17, 2024CAI · Full0TRI COUNTIES TRUCKING 3617570YP92869/CA
Jun 10, 2024CAI · Full5TRI COUNTIES TRUCKING 3617570YP92869/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRI COUNTIES TRUCKING3617570Jun 10, 2024Jul 28, 20264CA
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.
9H40471CA1TRI COUNTIES TRUCKINGJul 28, 2026Jul 28, 20261
9G66564CATRI COUNTIES TRUCKINGOct 14, 2024Oct 14, 20241
YP92869CATRI COUNTIES TRUCKINGJun 10, 2024Jun 17, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026