Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBDP9X6SD721004 · Truck-Tractor · TRUCK
Carriers run under1
10 mo
Inspections4
all-time
OOS inspections2
of 4
First seenOct 18, 2025
WV
Last seenAug 24, 2026
NC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X6SD721004
Make
Peterbilt
Model
579
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 27, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1995 or 2025

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

North American serial sequence
721004

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.

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 · Oct 18, 2025 – Aug 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 24, 2026NCII · Walk-around1OOSTITAN TRANSFER INC 845505U8149HY/TN
Aug 21, 2026TNIII · Driver-only0—TITAN TRANSFER INC 845505U8149HY/TN
Jun 10, 2026KYI · Full0—TITAN TRANSFER INC 845505U8149HY/TN
Oct 18, 2025WVII · Walk-around2OOSTITAN TRANSFER INC 845505U8149HY/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TITAN TRANSFER INC845505Oct 18, 2025Aug 24, 20264TN
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.
U8149HYTN1TITAN TRANSFER INCOct 18, 2025 → Aug 24, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 27, 2026