Equipment unit · VIN-decoded · NHTSA vPIC

2023 Smithco Manufacturing

1S9SS4436PL476414 · Trailer · TRAILER
Carriers run under1
32 mo
Inspections9
all-time
OOS inspections1
of 9
First seenOct 2, 2023
AK
Last seenJun 16, 2026
AK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1S9SS4436PL476414
Make
Smithco Manufacturing
Model
SMITHCO MANUFACTURING
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
1S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS443

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
476414

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
SMITHCO MANUFACTURING

Prefix basis · 21 decoded VINs at 100.0% prefix purity.

Model
SMITHCO MANUFACTURING

Prefix basis · 21 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
SMITHCO MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
SMITHCO MANUFACTURING

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 · Oct 2, 2023 – Jun 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2026AKI · Full1JEFFCO INC 1813710KJP832/AK
Sep 4, 2025AKIII · Driver-only1JEFFCO INC 1813710KJP832/AK
Sep 3, 2025AKI · Full4OOSJEFFCO INC 1813710KJP832/AK
Feb 27, 2025AKIII · Driver-only0JEFFCO INC 1813710KJP832/AK
Jul 9, 2024AKI · Full1JEFFCO INC 1813710KJP832/AK
Jul 1, 2024AKIII · Driver-only1JEFFCO INC 1813710KJP832/AK
Jun 7, 2024AKIII · Driver-only1JEFFCO INC 1813710KJP832/AK
Nov 29, 2023AKIII · Driver-only0JEFFCO INC 1813710KJP832/AK
Oct 2, 2023AKIII · Driver-only1JEFFCO INC 1813710KJP832/AK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JEFFCO INC1813710Oct 2, 2023Jun 16, 20269AK
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.
KJP832AK2JEFFCO INCOct 2, 2023Jun 16, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026