Equipment unit · NHTSA vPIC identity

2024 Peterbilt 579

1XPBD49X4RD837309 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections6
all-time
OOS inspections1
of 6
First seenNov 19, 2023
AR
Last seenAug 20, 2026
AL
Inspected under 2 different carriers in 33 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X4RD837309
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
Jun 28, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
837309

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 · Nov 19, 2023 – Aug 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 20, 2026ALIII · Driver-only3OOSROAD RIDER TRANS 2109321ZP67692/CA
Apr 24, 2026CAI · Full3—ROAD RIDER TRANS 2109321ZP67692/CA
May 14, 2024ILIII · Driver-only0—SPG TRANSPORTATION INC 2881143ZP03636/CA
Feb 8, 2024CAI · Full0—SPG TRANSPORTATION INC 2881143ZP03636/CA
Jan 16, 2024NMIII · Driver-only0—SPG TRANSPORTATION INC 2881143ZP03636/CA
Nov 19, 2023ARIII · Driver-only1—SPG TRANSPORTATION INC 2881143ZP03636/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROAD RIDER TRANS2109321Apr 24, 2026Aug 20, 20262CA
SPG TRANSPORTATION INC2881143Nov 19, 2023May 14, 20244TX
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.
ZP67692CA1ROAD RIDER TRANSApr 24, 2026 → Aug 20, 20262
ZP03636CA—SPG TRANSPORTATION INCNov 19, 2023 → May 14, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026