Equipment unit · VIN-decoded · NHTSA vPIC

2024 Silverback Trailer SILVERBACK

4S9KC4812RH623564 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections9
all-time
OOS inspections3
of 9
First seenApr 16, 2025
CT
Last seenJul 16, 2026
MD
Inspected under 2 different carriers in 15 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
4S9KC4812RH623564
Make
Silverback Trailer
Model
SILVERBACK
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
KC481

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
623564

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 · 12 decoded VINs at 100.0% prefix purity.

Model
SILVERBACK

Prefix basis · 12 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 · Apr 16, 2025 – Jul 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 16, 2026MDII · Walk-around3OOSJOSEPH ASSENZIO 4461990S98TCE/NJ
Jun 30, 2026MDII · Walk-around5OOSJOSEPH ASSENZIO 4461990S98TCE/NJ
Jun 12, 2026MDIII · Driver-only1JOSEPH ASSENZIO 4461990S98TCE/NJ
May 11, 2026MDII · Walk-around0JOSEPH ASSENZIO 4461990S98TCE/NJ
Mar 20, 2026SCIII · Driver-only1JOSEPH ASSENZIO 4461990P54TCE/NJ
Jan 8, 2026MDII · Walk-around5OOSJOSEPH ASSENZIO 4461990U240441/OH
Oct 8, 2025NCI · Full2GLA LOGISTICS LLC 4135721567513T/TN
Jul 14, 2025NCI · Full0GLA LOGISTICS LLC 4135721567513T/TN
Apr 16, 2025CTI · Full5GLA LOGISTICS LLC 4135721567513T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOSEPH ASSENZIO4461990Jan 8, 2026Jul 16, 20266NJ
GLA LOGISTICS LLC4135721Apr 16, 2025Oct 8, 20253NJ
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.
S98TCENJ2JOSEPH ASSENZIOMay 11, 2026Jul 16, 20264
P54TCENJJOSEPH ASSENZIOMar 20, 2026Mar 20, 20261
U240441OHJOSEPH ASSENZIOJan 8, 2026Jan 8, 20261
567513TTNGLA LOGISTICS LLCApr 16, 2025Oct 8, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026