Equipment unit · VIN-decoded · NHTSA vPIC

4M9BG4029S1144586

Not yet decoded
Carriers run under2
7 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 24, 2025
TN
Last seenMay 26, 2026
MT
Inspected under 2 different carriers in 7 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
4M9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BG402

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
144586

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
MP

Prefix basis · 161 decoded VINs at 100.0% prefix purity.

Model
Gooseneck

Prefix basis · 161 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 · Oct 24, 2025 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026MTIII · Driver-only1UNITRANSPORT LLC 4550986103064TG/IL
Oct 24, 2025TNI · Full1ALMA CARRIERS CORP 4118860TEMP/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITRANSPORT LLC4550986May 26, 2026May 26, 20261WA
ALMA CARRIERS CORP4118860Oct 24, 2025Oct 24, 20251IL
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.
103064TGILUNITRANSPORT LLCMay 26, 2026May 26, 20261
TEMPARALMA CARRIERS CORPOct 24, 2025Oct 24, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC