Equipment unit · VIN-decoded · NHTSA vPIC

2024 Silverback Trailer SILVERBACK

4S9KC5334RH623435 · Trailer · TRAILER
Carriers run under2
20 mo
Inspections8
all-time
OOS inspections1
of 8
First seenNov 5, 2024
NC
Last seenJul 31, 2026
PA
Inspected under 2 different carriers in 20 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
4S9KC5334RH623435
Make
Silverback Trailer
Model
SILVERBACK
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
623435

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
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 · Nov 5, 2024 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026PAI · Full2OLES CORPORATION 43926015372303/ME
Jul 21, 2026NCI · Full0OLES CORPORATION 43926015372303/ME
Jun 25, 2026OHII · Walk-around0OLES CORPORATION 43926015372303/ME
Jun 22, 2026SCIII · Driver-only1OLES CORPORATION 43926015372303/ME
May 13, 2026NCI · Full0OLES CORPORATION 43926015372303/ME
Apr 4, 2026AZIII · Driver-only2OLES CORPORATION 43926015372303/ME
Apr 1, 2026OKI · Full1OOSOLES CORPORATION 43926015372303/ME
Nov 5, 2024NCI · Full0ALEXCO LLC 41923365372303/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLES CORPORATION4392601Apr 1, 2026Jul 31, 20267NC
ALEXCO LLC4192336Nov 5, 2024Nov 5, 20241SC
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.
5372303ME2OLES CORPORATIONApr 1, 2026Jul 31, 20267
5372303MEALEXCO LLCNov 5, 2024Nov 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026