Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49XXHD360061 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections18
all-time
OOS inspections1
of 18
First seenJul 31, 2023
UT
Last seenDec 11, 2025
OR
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49XXHD360061
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
1987 or 2017

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

North American serial sequence
360061

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
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 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 · Jul 31, 2023 – Dec 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 11, 2025ORIII · Driver-only1OOSHAYER TRUCKLINE INC 3811531YP89525/CA
Dec 8, 2025CAII · Walk-around0HAYER TRUCKLINE INC 3811531YP89525/CA
Nov 25, 2025CAII · Walk-around0HAYER TRUCKLINE INC 3811531YP89525/CA
Nov 18, 2025ORIII · Driver-only0HAYER TRUCKLINE INC 3811531YP89525/CA
Jul 21, 2025CAI · Full0HAYER TRUCKLINE INC 3811531YP89525/CA
Dec 31, 2024CAI · Full1HAYER TRUCKLINE INC 3811531YP89525/CA
Sep 19, 2024CAI · Full0HAYER TRUCKLINE INC 3811531YP89525/CA
Sep 14, 2024IAIII · Driver-only4HAYER TRUCKLINE INC 3811531YP89525/CA
Aug 18, 2024NVII · Walk-around1HAYER TRUCKLINE INC 3811531YP89525/CA
Aug 15, 2024CAI · Full5HAYER TRUCKLINE INC 3811531YP89525/CA
Jul 30, 2024SDIII · Driver-only0HAYER TRUCKLINE INC 3811531YP89525/CA
Jul 28, 2024NMII · Walk-around0HAYER TRUCKLINE INC 3811531YP89525/CA
Jul 19, 2024NMII · Walk-around0HAYER TRUCKLINE INC 3811531YP89525/CA
Jun 26, 2024CAI · Full3HAYER TRUCKLINE INC 3811531YP89525/CA
Mar 11, 2024CAIII · Driver-only0HAYER TRUCKLINE INC 3811531YP89525/CA
Oct 23, 2023CAI · Full0HAYER TRUCKLINE INC 3811531YP89525/CA
Aug 29, 2023CAIII · Driver-only3HAYER TRUCKLINE INC 3811531YP89525/CA
Jul 31, 2023UTIII · Driver-only1HAYER TRUCKLINE INC 3811531YP89525/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAYER TRUCKLINE INC3811531Jul 31, 2023Dec 11, 202518CA
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.
YP89525CAHAYER TRUCKLINE INCJul 31, 2023Dec 11, 202518
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026