Equipment unit · VIN-decoded · NHTSA vPIC

2024 Silverback Trailer SILVERBACK

4S9KC5329RH623471 · Trailer · TRAILER
Carriers run under2
2 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 9, 2025
ID
Last seenSep 18, 2025
OH
Inspected under 2 different carriers in 2 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
4S9KC5329RH623471
Make
Silverback Trailer
Model
SILVERBACK
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
623471

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
2024

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 · Jul 9, 2025 – Sep 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 18, 2025OHI · Full2PRO LINE CARGO LLC 3695948967AA177/IL
Sep 8, 2025TNIII · Driver-only1PRO LINE CARGO LLC 3695948967AA177/IL
Aug 16, 2025CAIII · Driver-only1PRO LINE CARGO LLC 36959481025673/IL
Jul 9, 2025IDI · Full4TRULOGISTIX 4209476986168ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PRO LINE CARGO LLC3695948Aug 16, 2025Sep 18, 20253OH
TRULOGISTIX4209476Jul 9, 2025Jul 9, 20251NJ
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.
967AA177ILPRO LINE CARGO LLCSep 8, 2025Sep 18, 20252
1025673ILPRO LINE CARGO LLCAug 16, 2025Aug 16, 20251
986168STILTRULOGISTIXJul 9, 2025Jul 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026