Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X1PD852976 · Truck-Tractor · TRUCK
Carriers run under2
19 mo
Inspections5
all-time
OOS inspections3
of 5
First seenJun 14, 2023
NV
Last seenJan 2, 2025
DE
Inspected under 2 different carriers in 19 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
1XPBD49X1PD852976
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1993 or 2023

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

North American serial sequence
852976

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
2023

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 14, 2023 – Jan 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 2, 2025DEII · Walk-around2OOSGD EXPRESS INC 41688313670101/IN
May 26, 2024LAIII · Driver-only6OOSCALIFORNIA LOGISTICS LLC 2916668ZP21461/CA
Apr 15, 2024MIII · Walk-around3CALIFORNIA LOGISTICS LLC 2916668ZP21461/CA
Oct 18, 2023CTII · Walk-around7OOSCALIFORNIA LOGISTICS LLC 2916668YP56834/CA
Jun 14, 2023NVIII · Driver-only1CALIFORNIA LOGISTICS LLC 2916668YP56834/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GD EXPRESS INC4168831Jan 2, 2025Jan 2, 20251IN
CALIFORNIA LOGISTICS LLC2916668Jun 14, 2023May 26, 20244CA
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.
3670101INGD EXPRESS INCJan 2, 2025Jan 2, 20251
ZP21461CACALIFORNIA LOGISTICS LLCApr 15, 2024May 26, 20242
YP56834CACALIFORNIA LOGISTICS LLCJun 14, 2023Oct 18, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026