Equipment unit · VIN-decoded · NHTSA vPIC

1XP5DR9X2XD487508

Not yet decoded
Carriers run under2
35 mo
Inspections2
all-time
OOS inspections1
of 2
First seenAug 19, 2023
ND
Last seenJul 9, 2026
MI
Inspected under 2 different carriers in 35 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
5DR9X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1999 or 2029

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

North American serial sequence
487508

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 · 1,270 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 1,270 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 19, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026MIIII · Driver-only3OOSJOHN ROBINSON TRUCKING LLC 456546911167AW/WI
Aug 19, 2023NDIII · Driver-only0THOMAS PAUL ZELLMER 145606818335Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOHN ROBINSON TRUCKING LLC4565469Jul 9, 2026Jul 9, 20261WI
THOMAS PAUL ZELLMER1456068Aug 19, 2023Aug 19, 20231WI
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.
11167AWWI1JOHN ROBINSON TRUCKING LLCJul 9, 2026Jul 9, 20261
18335ZWITHOMAS PAUL ZELLMERAug 19, 2023Aug 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC