Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X3FD272689 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections12
all-time
OOS inspections6
of 12
First seenJun 26, 2023
US
Last seenJul 13, 2026
CA
Inspected under 2 different carriers in 37 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X3FD272689
Make
Peterbilt
Model
579
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1985 or 2015

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

North American serial sequence
272689

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
2015

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 · Jun 26, 2023 – Jul 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 13, 2026CAI · Full0ALONSO DAVID VAZQUEZ CISNEROS 3882470ZP86428/CA
Jul 12, 2026CAI · Full8OOSALONSO DAVID VAZQUEZ CISNEROS 3882470ZP86428/CA
May 11, 2026CAIII · Driver-only0ALONSO DAVID VAZQUEZ CISNEROS 3882470ZP86428/CA
Mar 6, 2026CAIII · Driver-only0ALONSO DAVID VAZQUEZ CISNEROS 38824709G81419/CA
Dec 26, 2025CAIII · Driver-only2ALONSO DAVID VAZQUEZ CISNEROS 38824709G81419/CA
Nov 16, 2025CAI · Full9OOSALONSO DAVID VAZQUEZ CISNEROS 38824709G81419/CA
Jun 13, 2025CAI · Full5OOSALONSO DAVID VAZQUEZ CISNEROS 38824709G814119/CA
Feb 10, 2025CAII · Walk-around2OOSALONSO DAVID VAZQUEZ CISNEROS 38824709G81419/CA
Nov 24, 2023CAI · Full7OOSG&MC TRUCKING LLC 39327419G77265/CA
Sep 26, 2023CAI · Full3OOSG&MC TRUCKING LLC 39327419G77265/CA
Jul 27, 2023CAIII · Driver-only2G&MC TRUCKING LLC 39327419G77265/CA
Jun 26, 2023USIII · Driver-only0G&MC TRUCKING LLC 39327419G77265/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALONSO DAVID VAZQUEZ CISNEROS3882470Feb 10, 2025Jul 13, 20268CA
G&MC TRUCKING LLC3932741Jun 26, 2023Nov 24, 20234CA
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.
ZP86428CA1ALONSO DAVID VAZQUEZ CISNEROSMay 11, 2026Jul 13, 20263
9G81419CAALONSO DAVID VAZQUEZ CISNEROSFeb 10, 2025Mar 6, 20264
9G814119CAALONSO DAVID VAZQUEZ CISNEROSJun 13, 2025Jun 13, 20251
9G77265CAG&MC TRUCKING LLCJun 26, 2023Nov 24, 20234
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026