Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X6PD830052 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections9
all-time
OOS inspections1
of 9
First seenSep 24, 2023
NM
Last seenJun 11, 2026
CA
Inspected under 2 different carriers in 33 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
1XPBD49X6PD830052
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
Jun 19, 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
1993 or 2023

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

North American serial sequence
830052

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 · Sep 24, 2023 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026CAI · Full0—SCG EXPRESS LLC 2985768R800319/TX
Sep 4, 2025TXII · Walk-around1—SCG EXPRESS LLC 2985768R800319/TX
Aug 31, 2025TXII · Walk-around1—SCG EXPRESS LLC 2985768R800319/TX
Jun 9, 2025USI · Full1—SCG EXPRESS LLC 2985768R800319/TX
Jan 16, 2025CAI · Full3OOSJUR CORPORATION 278702P3487HY/TN
Jan 16, 2025CAI · Full0—JUR CORPORATION 278702P3487HY/TN
Sep 23, 2024NMIII · Driver-only1—JUR CORPORATION 278702P3487HY/TN
Aug 2, 2024NMII · Walk-around0—JUR CORPORATION 278702P3487HY/TN
Sep 24, 2023NMII · Walk-around1—JUR CORPORATION 278702P3487HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SCG EXPRESS LLC2985768Jun 9, 2025Jun 11, 20264TX
JUR CORPORATION278702Sep 24, 2023Jan 16, 20255TN
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.
R800319TX—SCG EXPRESS LLCJun 9, 2025 → Jun 11, 20264
P3487HYTN—JUR CORPORATIONSep 24, 2023 → Jan 16, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026