Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49XXPD801511 · Truck-Tractor · TRUCK
Carriers run under6
33 mo
Inspections9
all-time
OOS inspections2
of 9
First seenSep 25, 2023
TN
Last seenJun 29, 2026
CA
Inspected under 6 different carriers in 33 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
1XPBD49XXPD801511
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 21, 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
1993 or 2023

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

North American serial sequence
801511

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 · Sep 25, 2023 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026CAI · Full3OOSALPHA GROUP LOGISTICS LLC 3834133ZP52432/CA
May 14, 2026CAIII · Driver-only1ALPHA GROUP LOGISTICS LLC 3834133ZP52432/CA
Dec 31, 2025NVII · Walk-around0AINI LLC 3495885ZP52432/CA
Aug 19, 2025CAIII · Driver-only3MM BROTHERS INC 3053367ZP52432/CA
Mar 9, 2025NMII · Walk-around1OOSDAGGER CARGO EXPRESS INC 4110598ZP52432/CA
Feb 25, 2025NMIII · Driver-only0DAGGER CARGO EXPRESS INC 4110598ZP52432/CA
Jan 10, 2025UTIII · Driver-only1TAKE TRUCK INC 4118532ZP52432/CA
Dec 4, 2023ARI · Full0STALLION EXPRESS INC 741086K821975/AR
Sep 25, 2023TNIII · Driver-only0STALLION EXPRESS INC 741086K821975/AR
03

Carriers this unit has run under

6 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALPHA GROUP LOGISTICS LLC3834133May 14, 2026Jun 29, 20262WA
AINI LLC3495885Dec 31, 2025Dec 31, 20251PA
MM BROTHERS INC3053367Aug 19, 2025Aug 19, 20251IL
DAGGER CARGO EXPRESS INC4110598Feb 25, 2025Mar 9, 20252IL
TAKE TRUCK INC4118532Jan 10, 2025Jan 10, 20251SD
STALLION EXPRESS INC741086Sep 25, 2023Dec 4, 20232AR
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.
ZP52432CA1ALPHA GROUP LOGISTICS LLCMay 14, 2026Jun 29, 20262
ZP52432CAAINI LLCDec 31, 2025Dec 31, 20251
ZP52432CAMM BROTHERS INCAug 19, 2025Aug 19, 20251
ZP52432CADAGGER CARGO EXPRESS INCFeb 25, 2025Mar 9, 20252
ZP52432CATAKE TRUCK INCJan 10, 2025Jan 10, 20251
K821975ARSTALLION EXPRESS INCSep 25, 2023Dec 4, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026