Equipment unit · VIN-decoded · NHTSA vPIC

2025 Silverback Trailer SILVERBACK

4S9KC5330SH623700 · Trailer · TRAILER
Carriers run under3
15 mo
Inspections10
all-time
OOS inspections8
of 10
First seenJan 9, 2025
MO
Last seenApr 22, 2026
TN
Inspected under 3 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
4S9KC5330SH623700
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
KC533

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
623700

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 · 18 decoded VINs at 100.0% prefix purity.

Model
SILVERBACK

Prefix basis · 18 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 · Jan 9, 2025 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026TNI · Full5OOS1611 TRANSPORTATION INC 37906545560861/ME
Aug 15, 2025PAI · Full4OOSCARMELON LLC 42677955472926/ME
Aug 7, 2025NCI · Full4CARMELON LLC 42677955472926/ME
Apr 22, 2025FLI · Full6OOSSANCASTILLO TRANSPORTATION CORP 42523585472926/ME
Apr 17, 2025FLI · Full10OOSSANCASTILLO TRANSPORTATION CORP 42523586958N97/TX
Mar 9, 2025MDII · Walk-around8OOSSANCASTILLO TRANSPORTATION CORP 42523585472926/ME
Feb 28, 2025TNI · Full7OOSSANCASTILLO TRANSPORTATION CORP 42523586958N97/TX
Feb 12, 2025SCII · Walk-around5OOSSANCASTILLO TRANSPORTATION CORP 42523586958N97/TX
Jan 20, 2025WIII · Walk-around6SANCASTILLO TRANSPORTATION CORP 42523586958N97/TX
Jan 9, 2025MOI · Full10OOSSANCASTILLO TRANSPORTATION CORP 4252358TEMP/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
1611 TRANSPORTATION INC3790654Apr 22, 2026Apr 22, 20261MA
CARMELON LLC4267795Aug 7, 2025Aug 15, 20252FL
SANCASTILLO TRANSPORTATION CORP4252358Jan 9, 2025Apr 22, 20257FL
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.
5560861ME1611 TRANSPORTATION INCApr 22, 2026Apr 22, 20261
5472926MECARMELON LLCAug 7, 2025Aug 15, 20252
5472926MESANCASTILLO TRANSPORTATION CORPMar 9, 2025Apr 22, 20252
6958N97TXSANCASTILLO TRANSPORTATION CORPJan 20, 2025Apr 17, 20254
TEMPCASANCASTILLO TRANSPORTATION CORPJan 9, 2025Jan 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026