Equipment unit · VIN-decoded · NHTSA vPIC

2025 Silverback Trailer SILVERBACK

4S9KC5324SH623643 · Trailer · TRAILER
Carriers run under3
18 mo
Inspections6
all-time
OOS inspections1
of 6
First seenNov 14, 2024
WY
Last seenMay 1, 2026
MO
Inspected under 3 different carriers in 18 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
4S9KC5324SH623643
Make
Silverback Trailer
Model
SILVERBACK
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
623643

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 · Nov 14, 2024 – May 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 1, 2026MOI · Full0ALGA FREIGHT COMPANY 40710911009640ST/IL
Apr 30, 2025RIIII · Driver-only1FRY ENTERPRISE LLC 39653271009640ST/IL
Mar 28, 2025IAII · Walk-around9FRY ENTERPRISE LLC 39653271009640ST/IL
Mar 17, 2025TXII · Walk-around0FRY ENTERPRISE LLC 39653271009640ST/IL
Dec 27, 2024MOI · Full0THOR TRUCKING LLC 17302826698S82/TX
Nov 14, 2024WYI · Full4OOSTHOR TRUCKING LLC 17302826698S82/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALGA FREIGHT COMPANY4071091May 1, 2026May 1, 20261IL
FRY ENTERPRISE LLC3965327Mar 17, 2025Apr 30, 20253MO
THOR TRUCKING LLC1730282Nov 14, 2024Dec 27, 20242NJ
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.
1009640STILALGA FREIGHT COMPANYMay 1, 2026May 1, 20261
1009640STILFRY ENTERPRISE LLCMar 17, 2025Apr 30, 20253
6698S82TXTHOR TRUCKING LLCNov 14, 2024Dec 27, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026