Equipment unit · VIN-decoded · NHTSA vPIC

2025 Silverback Trailer SILVERBACK

4S9KC4815SH623595 · Trailer · TRAILER
Carriers run under2
11 mo
Inspections6
all-time
OOS inspections2
of 6
First seenFeb 4, 2025
NH
Last seenJan 9, 2026
MI
Inspected under 2 different carriers in 11 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
4S9KC4815SH623595
Make
Silverback Trailer
Model
SILVERBACK
Model year
2025
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
5 · valid

Deterministic · position 9; calculated value 5.

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
623595

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.

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 · Feb 4, 2025 – Jan 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 9, 2026MIII · Walk-around5OOSHB PROJECTS LLC 4089907567647T/TN
Oct 7, 2025MIII · Walk-around3—HB PROJECTS LLC 4089907567647T/TN
Aug 20, 2025OHII · Walk-around1OOSHB PROJECTS LLC 4089907567647T/TN
Aug 9, 2025MIII · Walk-around0—HB PROJECTS LLC 4089907567647T/TN
Mar 24, 2025MIII · Walk-around2—HB PROJECTS LLC 4089907567647T/TN
Feb 4, 2025NHII · Walk-around0—ABA ULA LLC 4073478567647T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HB PROJECTS LLC4089907Mar 24, 2025Jan 9, 20265MD
ABA ULA LLC4073478Feb 4, 2025Feb 4, 20251VA
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.
567647TTN—HB PROJECTS LLCMar 24, 2025 → Jan 9, 20265
567647TTN—ABA ULA LLCFeb 4, 2025 → Feb 4, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026