Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBD49X1SD735410 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections13
all-time
OOS inspections1
of 13
First seenMay 31, 2024
MO
Last seenFeb 17, 2026
MD
Inspected under 2 different carriers in 21 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
1XPBD49X1SD735410
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
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
BD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
735410

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
2025

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 · May 31, 2024 – Feb 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 17, 2026MDII · Walk-around0ZERO11 FREIGHT INC 3602389P1290392/IL
Feb 3, 2026AZIII · Driver-only0ZERO11 FREIGHT INC 3602389P1290392/IL
Jan 22, 2026NYIII · Driver-only3ZERO11 FREIGHT INC 3602389P1290392/IL
Jan 14, 2026NVII · Walk-around1ZERO11 FREIGHT INC 3602389P1290392/IL
Dec 19, 2025NMIII · Driver-only0ZERO11 FREIGHT INC 3602389P1290392/IL
Dec 3, 2025AZI · Full5ZERO11 FREIGHT INC 3602389P1290392/IL
Nov 12, 2025UTIII · Driver-only0ZERO11 FREIGHT INC 3602389P1290392/IL
Jun 4, 2025NMII · Walk-around0STELLE CORPORATION 2955121P1290392/IL
Apr 3, 2025FLIII · Driver-only3STELLE CORPORATION 2955121P1290392/IL
Feb 10, 2025ALII · Walk-around0STELLE CORPORATION 2955121
Dec 29, 2024NMII · Walk-around1OOSSTELLE CORPORATION 2955121TEM/IN
Oct 3, 2024NCIII · Driver-only0STELLE CORPORATION 29551213613477/IN
May 31, 2024MOIII · Driver-only3STELLE CORPORATION 29551213611286/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZERO11 FREIGHT INC3602389Nov 12, 2025Feb 17, 20267IL
STELLE CORPORATION2955121May 31, 2024Jun 4, 20256IL
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.
P1290392ILZERO11 FREIGHT INCNov 12, 2025Feb 17, 20267
P1290392ILSTELLE CORPORATIONApr 3, 2025Jun 4, 20252
ILSTELLE CORPORATIONFeb 10, 2025Feb 10, 20251
TEMINSTELLE CORPORATIONDec 29, 2024Dec 29, 20241
3613477INSTELLE CORPORATIONOct 3, 2024Oct 3, 20241
3611286INSTELLE CORPORATIONMay 31, 2024May 31, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026