Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBP49X8JD488666 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections10
all-time
OOS inspections8
of 10
First seenJul 15, 2023
CA
Last seenJan 13, 2025
OR
Inspected under 2 different carriers in 18 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
1XPBP49X8JD488666
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 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
BP49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
488666

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 · 172 decoded VINs at 91.3% prefix purity.

Model
579

Prefix basis · 172 decoded VINs at 91.3% 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 · Jul 15, 2023 – Jan 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 13, 2025ORI · Full10OOSALBERTINO ZAGAL 3680025ZP37821/CA
Sep 25, 2024ORIII · Driver-only2OOSJAIME TORRES 1280878ZP18345/CA
Jun 14, 2024CAI · Full5OOSJAIME TORRES 1280878YP19339/CA
Jun 11, 2024ORIII · Driver-only3JAIME TORRES 1280878ZP18345/CA
May 22, 2024NVII · Walk-around5OOSJAIME TORRES 1280878ZP18345/CA
May 14, 2024CAI · Full4OOSJAIME TORRES 1280878ZP18345/CA
Jan 30, 2024ORI · Full8OOSALBERTINO ZAGAL 3680025YP19339/CA
Sep 5, 2023MOIII · Driver-only3OOSALBERTINO ZAGAL 3680025YP19339/CA
Aug 8, 2023ORII · Walk-around11OOSALBERTINO ZAGAL 3680025YP19339/CA
Jul 15, 2023CAI · Full1ALBERTINO ZAGAL 3680025YP19339/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALBERTINO ZAGAL3680025Jul 15, 2023Jan 13, 20255CA
JAIME TORRES1280878May 14, 2024Sep 25, 20245CA
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.
ZP37821CAALBERTINO ZAGALJan 13, 2025Jan 13, 20251
ZP18345CAJAIME TORRESMay 14, 2024Sep 25, 20244
YP19339CAJAIME TORRESJun 14, 2024Jun 14, 20241
YP19339CAALBERTINO ZAGALJul 15, 2023Jan 30, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026