Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBD49X5GD342291 · Truck-Tractor · TRUCK
Carriers run under1
15 mo
Inspections10
all-time
OOS inspections1
of 10
First seenOct 3, 2023
AZ
Last seenJan 20, 2025
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X5GD342291
Make
Peterbilt
Model
579
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1986 or 2016

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

North American serial sequence
342291

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
2016

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 3, 2023 – Jan 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2025NMIII · Driver-only0STAGE WEST EXPRESS INC 7882191302PT/ON
Nov 18, 2024INI · Full3STAGE WEST EXPRESS INC 7882191302PT/ON
Oct 29, 2024AZIII · Driver-only1STAGE WEST EXPRESS INC 7882191302PT/ON
Jul 26, 2024AZIII · Driver-only0STAGE WEST EXPRESS INC 7882191302PT/ON
Jun 11, 2024UTIII · Driver-only1STAGE WEST EXPRESS INC 7882191302PT/ON
Jan 23, 2024NMIII · Driver-only1STAGE WEST EXPRESS INC 7882191302PT/ON
Jan 13, 2024NMIII · Driver-only0STAGE WEST EXPRESS INC 7882191302PT/ON
Oct 31, 2023NMIII · Driver-only0STAGE WEST EXPRESS INC 7882191302PT/ON
Oct 6, 2023NMII · Walk-around0STAGE WEST EXPRESS INC 7882191302PT/ON
Oct 3, 2023AZII · Walk-around4OOSSTAGE WEST EXPRESS INC 7882191302PT/ON
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STAGE WEST EXPRESS INC788219Oct 3, 2023Jan 20, 202510ON
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.
1302PTONSTAGE WEST EXPRESS INCOct 3, 2023Jan 20, 202510
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026