Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X3RD655746 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMar 1, 2024
MI
Last seenAug 25, 2026
IL
Inspected under 3 different carriers in 29 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
1XPBD49X3RD655746
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 30, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1994 or 2024

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

North American serial sequence
655746

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
2024

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 · Mar 1, 2024 – Aug 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 25, 2026ILIII · Driver-only1WISER LOGISTICS LTD 5473993784PJW/SK
Jul 22, 2026COIII · Driver-only2ULTIMATE LOGISTICS LTD 3429545719PER/SK
Feb 4, 2025NDII · Walk-around0RSB LOGISTIC INC 266723311MPH/SK
Mar 1, 2024MIII · Walk-around1RSB LOGISTIC INC 266723311MPH/SK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WISER LOGISTICS LTD5473993Aug 25, 2026Aug 25, 20261SK
ULTIMATE LOGISTICS LTD3429545Jul 22, 2026Jul 22, 20261SK
RSB LOGISTIC INC266723Mar 1, 2024Feb 4, 20252SK
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.
784PJWSK1WISER LOGISTICS LTDAug 25, 2026Aug 25, 20261
719PERSK1ULTIMATE LOGISTICS LTDJul 22, 2026Jul 22, 20261
311MPHSKRSB LOGISTIC INCMar 1, 2024Feb 4, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026