Equipment unit · VIN-decoded · NHTSA vPIC

2025 Mp Gooseneck

4M9BG4027S1144408 · Trailer · TRAILER
Carriers run under2
6 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJul 5, 2025
WY
Last seenJan 16, 2026
FL
Inspected under 2 different carriers in 6 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

VIN
4M9BG4027S1144408
Make
Mp
Model
Gooseneck
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
7 · valid

Deterministic · position 9; calculated value 7.

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
144408

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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
MP

Observed directly for this VIN via NHTSA vPIC.

Observed model
Gooseneck

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 · Jul 5, 2025 – Jan 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 16, 2026FLI · Full1MAINLINE TRANSPORT LLC 4294974J292285/LA
Jan 12, 2026KYI · Full0MAINLINE TRANSPORT LLC 4294974J292285/LA
Dec 11, 2025TNI · Full1OOSMAINLINE TRANSPORT LLC 4294974J292285/LA
Nov 11, 2025IAIII · Driver-only0MAINLINE TRANSPORT LLC 4294974J292285/LA
Nov 9, 2025MSI · Full0MAINLINE TRANSPORT LLC 4294974J292285/LA
Sep 5, 2025TNI · Full0MAINLINE TRANSPORT LLC 4294974J292285/LA
Jul 23, 2025MSI · Full1ALL AMERICAN TRANS-CO LLC 4151524DB316435/LA
Jul 5, 2025WYI · Full12OOSALL AMERICAN TRANS-CO LLC 4151524DB316493/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAINLINE TRANSPORT LLC4294974Sep 5, 2025Jan 16, 20266TN
ALL AMERICAN TRANS-CO LLC4151524Jul 5, 2025Jul 23, 20252MI
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.
J292285LAMAINLINE TRANSPORT LLCSep 5, 2025Jan 16, 20266
DB316435LAALL AMERICAN TRANS-CO LLCJul 23, 2025Jul 23, 20251
DB316493ARALL AMERICAN TRANS-CO LLCJul 5, 2025Jul 5, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026