Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X6RD639024 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections8
all-time
OOS inspections1
of 8
First seenAug 13, 2024
UT
Last seenJul 24, 2026
CA
Inspected under 2 different carriers in 23 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
1XPBD49X6RD639024
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
6 · valid

Deterministic · position 9; calculated value 6.

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
639024

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 · Aug 13, 2024 – Jul 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2026CAIII · Driver-only0—S K TRANS INC 2504959ZP22466/CA
Jun 26, 2026NVIII · Driver-only3—S K TRANS INC 2504959ZP22466/CA
May 31, 2026UTIII · Driver-only0—S K TRANS INC 2504959ZP22466/CA
Mar 20, 2025UTI · Full8OOSDHADWAL LOGISTICS INC 3499530ZP22466/CA
Mar 12, 2025UTIII · Driver-only0—DHADWAL LOGISTICS INC 3499530ZP22466/CA
Sep 12, 2024CAIII · Driver-only1—DHADWAL LOGISTICS INC 3499530ZP22466/CA
Sep 2, 2024CAI · Full1—DHADWAL LOGISTICS INC 3499530ZP22466/CA
Aug 13, 2024UTIII · Driver-only1—DHADWAL LOGISTICS INC 3499530ZP22466/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S K TRANS INC2504959May 31, 2026Jul 24, 20263CA
DHADWAL LOGISTICS INC3499530Aug 13, 2024Mar 20, 20255CA
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.
ZP22466CA1S K TRANS INCMay 31, 2026 → Jul 24, 20263
ZP22466CA1DHADWAL LOGISTICS INCAug 13, 2024 → Mar 20, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026