Equipment unit · VIN-decoded · NHTSA vPIC

2024 Silverback Trailer SILVERBACK

4S9KC5327RH623565 · Trailer · TRAILER
Carriers run under2
12 mo
Inspections7
all-time
OOS inspections0
of 7
First seenJun 12, 2025
PA
Last seenJun 8, 2026
TX
Inspected under 2 different carriers in 12 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
4S9KC5327RH623565
Make
Silverback Trailer
Model
SILVERBACK
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1994 or 2024

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

North American serial sequence
623565

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.

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 · Jun 12, 2025 – Jun 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 8, 2026TXII · Walk-around0—STM LOGISTICS LLC 4098699X18TCN/NJ
Nov 24, 2025WYI · Full1—STM LOGISTICS LLC 4098699X18TCN/NJ
Nov 20, 2025WYI · Full11—STM LOGISTICS LLC 4098699X18TCN/NJ
Nov 18, 2025ILIII · Driver-only0—STM LOGISTICS LLC 4098699X18TCN/NJ
Jul 19, 2025KSII · Walk-around1—RTA CARRIER CORP 3982927T458982/OH
Jul 14, 2025NMIII · Driver-only0—RTA CARRIER CORP 3982927TEMP/OH
Jun 12, 2025PAI · Full2—RTA CARRIER CORP 3982927567514T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STM LOGISTICS LLC4098699Nov 18, 2025Jun 8, 20264PA
RTA CARRIER CORP3982927Jun 12, 2025Jul 19, 20253PA
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.
X18TCNNJ—STM LOGISTICS LLCNov 18, 2025 → Jun 8, 20264
T458982OH—RTA CARRIER CORPJul 19, 2025 → Jul 19, 20251
TEMPOH—RTA CARRIER CORPJul 14, 2025 → Jul 14, 20251
567514TTN—RTA CARRIER CORPJun 12, 2025 → Jun 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026