Equipment unit · VIN-decoded · NHTSA vPIC

1XPTP4EX5CD138487

Not yet decoded
Carriers run under2
33 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 5, 2023
ND
Last seenJun 9, 2026
TX
Inspected under 2 different carriers in 33 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
TP4EX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1982 or 2012

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

North American serial sequence
138487

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 · 146 decoded VINs at 100.0% prefix purity.

Model
367

Prefix basis · 146 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 · Sep 5, 2023 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026TXII · Walk-around3KNIGHT HORSE SERVICES LLC 3678691R813134/TX
Sep 5, 2023NDI · Full4OOSASK TRANSPORTATION INC 136985637614P/ND
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KNIGHT HORSE SERVICES LLC3678691Jun 9, 2026Jun 9, 20261TX
ASK TRANSPORTATION INC1369856Sep 5, 2023Sep 5, 20231ND
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.
R813134TX1KNIGHT HORSE SERVICES LLCJun 9, 2026Jun 9, 20261
37614PNDASK TRANSPORTATION INCSep 5, 2023Sep 5, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC