Equipment unit · VIN-decoded · NHTSA vPIC

1XPXP4EX8DD178596

Not yet decoded
Carriers run under2
13 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJul 3, 2024
CA
Last seenAug 25, 2025
CA
Inspected under 2 different carriers in 13 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
XP4EX

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1983 or 2013

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

North American serial sequence
178596

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 · 919 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 919 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 · Jul 3, 2024 – Aug 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 25, 2025CAII · Walk-around3OOSNORTHWEST SLURRY SOLUTION AND HYDRO EXCAVATION LLC 3333925ZP29563/CA
Jul 3, 2024CAI · Full7AMIJOT TRUCKING LLC 2769358ZP29563/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHWEST SLURRY SOLUTION AND HYDRO EXCAVATION LLC3333925Aug 25, 2025Aug 25, 20251OR
AMIJOT TRUCKING LLC2769358Jul 3, 2024Jul 3, 20241CA
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.
ZP29563CANORTHWEST SLURRY SOLUTION AND HYDRO EXCAVATION LLCAug 25, 2025Aug 25, 20251
ZP29563CAAMIJOT TRUCKING LLCJul 3, 2024Jul 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC