Equipment unit · VIN-decoded · NHTSA vPIC

4S9S6CZ17CP133845

Not yet decoded
Carriers run under1
9 mo
Inspections2
all-time
OOS inspections2
of 2
First seenMay 12, 2025
WI
Last seenFeb 18, 2026
WI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
S6CZ1

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1982 or 2012

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

North American serial sequence
133845

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
SUN COUNTRY TRAILERS

Prefix basis · 6 decoded VINs at 100.0% prefix purity.

Model
Sun Country Trailers

Prefix basis · 6 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.

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 · May 12, 2025 – Feb 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 18, 2026WIII · Walk-around9OOSBOOKER HARRIS TRUCKING INC 6397981014241ST/IL
May 12, 2025WIII · Walk-around7OOSBOOKER HARRIS TRUCKING INC 639798NO PLATE/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOOKER HARRIS TRUCKING INC639798May 12, 2025Feb 18, 20262IL
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.
1014241STILBOOKER HARRIS TRUCKING INCFeb 18, 2026Feb 18, 20261
NO PLATEILBOOKER HARRIS TRUCKING INCMay 12, 2025May 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC