Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBD49X5SD729318 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections8
all-time
OOS inspections3
of 8
First seenJan 29, 2025
NM
Last seenSep 1, 2026
OR
Inspected under 2 different carriers in 20 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
1XPBD49X5SD729318
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 25, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
729318

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 · Jan 29, 2025 – Sep 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 1, 2026ORIII · Driver-only1OOSCHAMBERS TRANSPORT LLC 3164244DF63DX/FL
Sep 1, 2026ORIII · Driver-only1OOSCHAMBERS TRANSPORT LLC 3164244DF63DX/FL
Jun 15, 2026CAII · Walk-around2—CHAMBERS TRANSPORT LLC 3164244DF63DX/FL
Aug 13, 2025UTIII · Driver-only1—LOADMODE LLC 3628396PXB9593/OH
Mar 2, 2025TNIII · Driver-only1—LOADMODE LLC 3628396PXB9593/OH
Feb 6, 2025CAI · Full0—LOADMODE LLC 3628396PXB9593/OH
Feb 6, 2025CAI · Full1OOSLOADMODE LLC 3628396PXB9593/OH
Jan 29, 2025NMII · Walk-around0—LOADMODE LLC 3628396PXB9593/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHAMBERS TRANSPORT LLC3164244Jun 15, 2026Sep 1, 20263IN
LOADMODE LLC3628396Jan 29, 2025Aug 13, 20255OH
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.
DF63DXFL1CHAMBERS TRANSPORT LLCJun 15, 2026 → Sep 1, 20263
PXB9593OH—LOADMODE LLCJan 29, 2025 → Aug 13, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026