Equipment unit · VIN-decoded · NHTSA vPIC

1XPXD49X8PD863799

Not yet decoded
Carriers run under2
21 mo
Inspections2
all-time
OOS inspections0
of 2
First seenFeb 7, 2024
CA
Last seenNov 6, 2025
CA
Inspected under 2 different carriers in 21 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
XD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
863799

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 · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 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 · Feb 7, 2024 – Nov 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 6, 2025CAII · Walk-around3ROBLES TRANSPORT LLC 3095961ZP45998/CA
Feb 7, 2024CAII · Walk-around0WESTERN FLYER EXPRESS LLC 6589093HL808/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBLES TRANSPORT LLC3095961Nov 6, 2025Nov 6, 20251CA
WESTERN FLYER EXPRESS LLC658909Feb 7, 2024Feb 7, 20241OK
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.
ZP45998CAROBLES TRANSPORT LLCNov 6, 2025Nov 6, 20251
3HL808OKWESTERN FLYER EXPRESS LLCFeb 7, 2024Feb 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC