Equipment unit · VIN-decoded · NHTSA vPIC

2023 Amw

4A9GF4028PP132207 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections3
of 7
First seenNov 9, 2023
TN
Last seenMay 5, 2026
FL
Inspected under 2 different carriers in 30 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
4A9GF4028PP132207
Make
Amw
Model
AMW
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
4A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GF402

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
132207

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
AMW

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model
AMW

Prefix basis · 3 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
AMW

Observed directly for this VIN via NHTSA vPIC.

Observed model
AMW

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 · Nov 9, 2023 – May 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 5, 2026FLIII · Driver-only3OOSSAAC TRANSPORTATION LLC 4423186331992T/TN
Mar 6, 2025USI · Full3OOSLIBERTY AUTO TRANSPORT LLC 3475952331992T/TN
Jan 27, 2025WAIII · Driver-only3LIBERTY AUTO TRANSPORT LLC 3475952331992T/TN
Sep 26, 2024IAII · Walk-around1LIBERTY AUTO TRANSPORT LLC 3475952331992T/TN
Apr 19, 2024MOI · Full12OOSLIBERTY AUTO TRANSPORT LLC 3475952331992T/TN
Mar 7, 2024UTI · Full2LIBERTY AUTO TRANSPORT LLC 3475952331992T/TN
Nov 9, 2023TNI · Full0LIBERTY AUTO TRANSPORT LLC 3475952331992T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAAC TRANSPORTATION LLC4423186May 5, 2026May 5, 20261IA
LIBERTY AUTO TRANSPORT LLC3475952Nov 9, 2023Mar 6, 20256PA
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.
331992TTNSAAC TRANSPORTATION LLCMay 5, 2026May 5, 20261
331992TTNLIBERTY AUTO TRANSPORT LLCNov 9, 2023Mar 6, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026