Equipment unit · VIN-decoded · NHTSA vPIC

1XPBD49X4SD729326

Not yet decoded
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 4, 2025
NC
Last seenJan 21, 2026
OH
Inspected under 2 different carriers in 9 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1995 or 2025

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

North American serial sequence
729326

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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 · Apr 4, 2025 – Jan 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 21, 2026OHII · Walk-around7OOSSHELBY TRANSPORTS LLC 38685453681814/IN
Apr 4, 2025NCIII · Driver-only1NINE TRANSPORTATION GROUP INC 38584403681814/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHELBY TRANSPORTS LLC3868545Jan 21, 2026Jan 21, 20261PA
NINE TRANSPORTATION GROUP INC3858440Apr 4, 2025Apr 4, 20251TN
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.
3681814INSHELBY TRANSPORTS LLCJan 21, 2026Jan 21, 20261
3681814INNINE TRANSPORTATION GROUP INCApr 4, 2025Apr 4, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC