Equipment unit · VIN-decoded · NHTSA vPIC

2022 Mp Gooseneck

4M9BG4020N1144593 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJan 9, 2024
AL
Last seenOct 17, 2024
IL
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

VIN
4M9BG4020N1144593
Make
Mp
Model
Gooseneck
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1992 or 2022

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

North American serial sequence
144593

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
2022

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 · Jan 9, 2024 – Oct 17, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 17, 2024ILIII · Driver-only03 WILLIS TRANSPORTATION LLC 360168399999/AR
Oct 10, 2024TNI · Full03 WILLIS TRANSPORTATION LLC 3601683NONE0/UK
Oct 4, 2024ARI · Full4OOS3 WILLIS TRANSPORTATION LLC 3601683NONE0/AR
Jan 9, 2024ALI · Full1READER'S LOGISTICS LLC 3789667528283T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
3 WILLIS TRANSPORTATION LLC3601683Oct 4, 2024Oct 17, 20243AR
READER'S LOGISTICS LLC3789667Jan 9, 2024Jan 9, 20241AR
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.
99999AR3 WILLIS TRANSPORTATION LLCOct 17, 2024Oct 17, 20241
NONE0UK3 WILLIS TRANSPORTATION LLCOct 10, 2024Oct 10, 20241
NONE0AR3 WILLIS TRANSPORTATION LLCOct 4, 2024Oct 4, 20241
528283TTNREADER'S LOGISTICS LLCJan 9, 2024Jan 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026