Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1XPXD49X8PD863799 · Truck-Tractor · TRUCK
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

VIN
1XPXD49X8PD863799
Make
Peterbilt
Model
389
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
Sep 6, 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.

Source · 49 CFR Part 565 ↗
Vehicle descriptor section
XD49X

Deterministic · VIN positions 4–8.

Source · 49 CFR Part 565 ↗
Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Source · 49 CFR Part 565 ↗
Model year candidates
1993 or 2023

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

Source · 49 CFR Part 565 ↗
North American serial sequence
863799

Deterministic · positions 12–17 for a North American WMI.

Source · 49 CFR Part 565 ↗

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Temporarily unavailable

The platform resolver did not return a reliable response

Deterministic validation above is complete. Platform fields are withheld because an outage is not evidence that the VIN has no known platform.

Not established

  • platform resolution (temporarily unavailable)

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-around3—ROBLES TRANSPORT LLC 3095961ZP45998/CA
Feb 7, 2024CAII · Walk-around0—WESTERN 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.
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026