Equipment unit · VIN-decoded · NHTSA vPIC

2025 Silverback Trailer SILVERBACK

4S9KC5323SH623648 · Trailer · TRAILER
Carriers run under1
14 mo
Inspections10
all-time
OOS inspections2
of 10
First seenApr 30, 2025
VA
Last seenJun 22, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4S9KC5323SH623648
Make
Silverback Trailer
Model
SILVERBACK
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KC532

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1995 or 2025

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

North American serial sequence
623648

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
SILVERBACK TRAILER

Prefix basis · 49 decoded VINs at 100.0% prefix purity.

Model
SILVERBACK

Prefix basis · 49 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
SILVERBACK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
SILVERBACK

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 · Apr 30, 2025 – Jun 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 22, 2026NMIII · Driver-only0GEOSUN INC 4074154PT928S6/PN
Mar 11, 2026MOI · Full1GEOSUN INC 4074154567631T/TN
Dec 1, 2025PAIII · Driver-only0GEOSUN INC 4074154567631T/TN
Dec 1, 2025PAIII · Driver-only0GEOSUN INC 4074154567631T/TN
Oct 20, 2025MIII · Walk-around2GEOSUN INC 4074154567631T/TN
Oct 8, 2025TNI · Full0GEOSUN INC 4074154567631T/TN
Sep 8, 2025MOI · Full8GEOSUN INC 4074154567631T/TN
Sep 8, 2025MOII · Walk-around1OOSGEOSUN INC 4074154567631T/TN
Sep 5, 2025KSI · Full3OOSGEOSUN INC 4074154567631T/TN
Apr 30, 2025VAI · Full1GEOSUN INC 4074154567631T/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GEOSUN INC4074154Apr 30, 2025Jun 22, 202610PA
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.
PT928S6PN2GEOSUN INCJun 22, 2026Jun 22, 20261
567631TTNGEOSUN INCApr 30, 2025Mar 11, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026