Equipment unit · VIN-decoded · NHTSA vPIC

2011 Warren Manufacturing, Inc.

1W9AA3626B1198112 · Trailer · TRAILER
Carriers run under1
27 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 19, 2023
AR
Last seenMar 9, 2026
AR
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W9AA3626B1198112
Make
Warren Manufacturing, Inc.
Model
WARREN MANUFACTURING, INC.
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
1W9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AA362

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1981 or 2011

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

North American serial sequence
198112

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
WARREN MANUFACTURING, INC.

Prefix basis · 38 decoded VINs at 100.0% prefix purity.

Model
WARREN MANUFACTURING, INC.

Prefix basis · 38 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
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
WARREN MANUFACTURING, INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
WARREN MANUFACTURING, INC.

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 · Dec 19, 2023 – Mar 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 9, 2026ARIII · Driver-only1KENNETH KROPF 1321788PT199096/AR
Sep 20, 2024ARIII · Driver-only1KENNETH KROPF 1321788PT199096/AR
Dec 19, 2023ARIII · Driver-only0KENNETH KROPF 1321788PT199096/AR
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KENNETH KROPF1321788Dec 19, 2023Mar 9, 20263AR
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.
PT199096ARKENNETH KROPFDec 19, 2023Mar 9, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026