Equipment unit · VIN-decoded · NHTSA vPIC

2026 Peterbilt 579

1XPBD49X1TD796810 · Truck-Tractor · TRUCK
Carriers run under1
12 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 26, 2025
SD
Last seenAug 8, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X1TD796810
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
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
1996 or 2026

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

North American serial sequence
796810

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
2026

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 · Aug 26, 2025 – Aug 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 8, 2026NMII · Walk-around0U S FREIGHT LINES INC 1728812P1319488/IL
Jun 25, 2026COIII · Driver-only0U S FREIGHT LINES INC 1728812P1319488/IL
Jan 14, 2026OKIII · Driver-only0U S FREIGHT LINES INC 1728812P1319488/IL
Dec 1, 2025TNIII · Driver-only0U S FREIGHT LINES INC 1728812P1319488/IL
Nov 12, 2025WAII · Walk-around2U S FREIGHT LINES INC 1728812P1319488/IL
Sep 15, 2025SDIII · Driver-only1U S FREIGHT LINES INC 1728812P1319488/IL
Aug 26, 2025SDI · Full0U S FREIGHT LINES INC 1728812TEMP/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
U S FREIGHT LINES INC1728812Aug 26, 2025Aug 8, 20267IL
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.
P1319488IL1U S FREIGHT LINES INCSep 15, 2025Aug 8, 20266
TEMPILU S FREIGHT LINES INCAug 26, 2025Aug 26, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026