Equipment unit · VIN-decoded · NHTSA vPIC

1XP5D4EX95D846021

Not yet decoded
Carriers run under2
30 mo
Inspections2
all-time
OOS inspections2
of 2
First seenAug 28, 2023
WY
Last seenFeb 26, 2026
SD
Inspected under 2 different carriers in 30 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
5D4EX

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2005 or 2035

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

North American serial sequence
846021

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 · 9 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 9 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 · Aug 28, 2023 – Feb 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 26, 2026SDII · Walk-around4OOSMOUNTAINSIDE POWER LLC 3999093172ERW/ND
Aug 28, 2023WYI · Full3OOSTRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC 180139A1650/WY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MOUNTAINSIDE POWER LLC3999093Feb 26, 2026Feb 26, 20261WY
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC180139Aug 28, 2023Aug 28, 20231CO
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.
172ERWNDMOUNTAINSIDE POWER LLCFeb 26, 2026Feb 26, 20261
A1650WYTRI-STATE GENERATION & TRANSMISSION ASSOCIATION INCAug 28, 2023Aug 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC