Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49XXPD800584 · Truck-Tractor · TRUCK
Carriers run under3
28 mo
Inspections6
all-time
OOS inspections0
of 6
First seenMay 23, 2024
SC
Last seenSep 19, 2026
NV
Inspected under 3 different carriers in 28 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
1XPBD49XXPD800584
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
Jul 14, 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
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
800584

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 · May 23, 2024 – Sep 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2026NVII · Walk-around0—INFINITY LOGISTEX LLC 4474474P1344136/IL
Jul 11, 2026ALIII · Driver-only1—SULTAN TRANS INC 2365671P1344136/IL
Jul 11, 2026ALIII · Driver-only1—SULTAN TRANS INC 2365671P1344136/IL
Jan 15, 2026MDII · Walk-around3—FAF LLC 728630PWW7239/OH
Dec 4, 2025OHIII · Driver-only0—FAF LLC 728630PWW7239/OH
May 23, 2024SCIII · Driver-only0—FAF LLC 728630U813420/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
INFINITY LOGISTEX LLC4474474Sep 19, 2026Sep 19, 20261IL
SULTAN TRANS INC2365671Jul 11, 2026Jul 11, 20262OH
FAF LLC728630May 23, 2024Jan 15, 20263OH
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.
P1344136IL1INFINITY LOGISTEX LLCSep 19, 2026 → Sep 19, 20261
P1344136IL1SULTAN TRANS INCJul 11, 2026 → Jul 11, 20262
PWW7239OH—FAF LLCDec 4, 2025 → Jan 15, 20262
U813420OH—FAF LLCMay 23, 2024 → May 23, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026