Equipment unit · VIN-decoded · NHTSA vPIC

1XPGDB9XX3N801801

Not yet decoded
Carriers run under2
25 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 28, 2023
AZ
Last seenJul 17, 2025
AZ
Inspected under 2 different carriers in 25 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
GDB9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2003 or 2033

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

North American serial sequence
801801

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 · 24 decoded VINs at 100.0% prefix purity.

Model
385

Prefix basis · 24 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 · Jun 28, 2023 – Jul 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 17, 2025AZIII · Driver-only0TIERRA TRANSPORT LLC 438988878A8G0/AZ
Jun 28, 2023AZII · Walk-around2G-SONS MADUENOS TRUCKING LLC 3615234VEA0ZB/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TIERRA TRANSPORT LLC4389888Jul 17, 2025Jul 17, 20251AZ
G-SONS MADUENOS TRUCKING LLC3615234Jun 28, 2023Jun 28, 20231AZ
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.
78A8G0AZTIERRA TRANSPORT LLCJul 17, 2025Jul 17, 20251
VEA0ZBAZG-SONS MADUENOS TRUCKING LLCJun 28, 2023Jun 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC