Equipment unit · VIN-decoded · NHTSA vPIC

2026 Peterbilt 579

1XPBD49X6TD775726 · Truck-Tractor · TRUCK
Carriers run under2
12 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 5, 2025
GA
Last seenOct 19, 2026
CA
Inspected under 2 different carriers in 12 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
1XPBD49X6TD775726
Make
Peterbilt
Model
579
Model year
2026
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 6, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1996 or 2026

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

North American serial sequence
775726

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.

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 5, 2025 – Oct 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 19, 2026CAII · Walk-around0—VIPER LOGISTICS LLC 4445657FP12617/CA
Aug 14, 2026UTIII · Driver-only0—VIPER LOGISTICS LLC 4445657Z015984/UT
Oct 5, 2025GAIII · Driver-only1—LUCAS OIL PRODUCTS INC 8017973820922/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VIPER LOGISTICS LLC4445657Aug 14, 2026Oct 19, 20262UT
LUCAS OIL PRODUCTS INC801797Oct 5, 2025Oct 5, 20251MO
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.
FP12617CA1VIPER LOGISTICS LLCOct 19, 2026 → Oct 19, 20261
Z015984UT1VIPER LOGISTICS LLCAug 14, 2026 → Aug 14, 20261
3820922IN1LUCAS OIL PRODUCTS INCOct 5, 2025 → Oct 5, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026