Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9XXPD893303 · Truck-Tractor · TRUCK
Carriers run under1
37 mo
Inspections15
all-time
OOS inspections5
of 15
First seenJun 22, 2023
IN
Last seenJul 21, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9XXPD893303
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 16, 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
BDP9X

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
893303

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 22, 2023 – Jul 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 21, 2026TXI · Full2OOSUNLIMITED DELIVERIES LLC 2855991A562075/MS
May 27, 2026TNIII · Driver-only0UNLIMITED DELIVERIES LLC 2855991A562075/MS
Jun 12, 2025COIII · Driver-only0UNLIMITED DELIVERIES LLC 2855991A550320/CO
May 15, 2025ALIII · Driver-only0UNLIMITED DELIVERIES LLC 2855991A550320/MS
Nov 13, 2024MSII · Walk-around3OOSUNLIMITED DELIVERIES LLC 2855991A315054/MS
Oct 2, 2024MOIII · Driver-only0UNLIMITED DELIVERIES LLC 2855991A315054/MS
Aug 13, 2024OKIII · Driver-only1UNLIMITED DELIVERIES LLC 2855991A315054/MS
Feb 26, 2024TNI · Full1OOSUNLIMITED DELIVERIES LLC 2855991A315054/UK
Nov 3, 2023TXII · Walk-around0UNLIMITED DELIVERIES LLC 2855991A315054/MS
Oct 31, 2023COIII · Driver-only1UNLIMITED DELIVERIES LLC 2855991A315054/MS
Oct 13, 2023MOIII · Driver-only2UNLIMITED DELIVERIES LLC 2855991A315054/MS
Oct 12, 2023ARIII · Driver-only0UNLIMITED DELIVERIES LLC 2855991A315054/MS
Jul 26, 2023MOII · Walk-around0UNLIMITED DELIVERIES LLC 2855991A315054/MS
Jul 7, 2023TNI · Full2OOSUNLIMITED DELIVERIES LLC 2855991A315054/MS
Jun 22, 2023INII · Walk-around5OOSUNLIMITED DELIVERIES LLC 2855991A315054/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNLIMITED DELIVERIES LLC2855991Jun 22, 2023Jul 21, 202615MS
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.
A562075MS1UNLIMITED DELIVERIES LLCMay 27, 2026Jul 21, 20262
A550320COUNLIMITED DELIVERIES LLCJun 12, 2025Jun 12, 20251
A550320MSUNLIMITED DELIVERIES LLCMay 15, 2025May 15, 20251
A315054MSUNLIMITED DELIVERIES LLCJun 22, 2023Nov 13, 202410
A315054UKUNLIMITED DELIVERIES LLCFeb 26, 2024Feb 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026