Equipment unit · VIN-decoded · NHTSA vPIC

2024 Silverback Trailer SILVERBACK

4S9KC5320RH623410 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections8
all-time
OOS inspections2
of 8
First seenMar 17, 2025
PA
Last seenJun 3, 2026
PA
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
4S9KC5320RH623410
Make
Silverback Trailer
Model
SILVERBACK
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
623410

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 · Mar 17, 2025 – Jun 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 3, 2026PAI · Full5RUSH LINES INC 4004862C500775/ME
Apr 10, 2026ALII · Walk-around6MIDWAY GROUP INC 3444760C500775/ME
Nov 11, 2025OHIII · Driver-only2MIDWAY GROUP INC 3444760C500775/ME
Oct 22, 2025NYII · Walk-around3OOSMIDWAY GROUP INC 3444760C500775/ME
Jul 11, 2025TNI · Full0RUSH LINES INC 4004862C500775/ME
May 13, 2025WII · Full9OOSRUSH LINES INC 4004862C500775/ME
Mar 23, 2025MOI · Full2RUSH LINES INC 4004862C500775/ME
Mar 17, 2025PAI · Full4RUSH LINES INC 4004862C465616/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RUSH LINES INC4004862Mar 17, 2025Jun 3, 20265NY
MIDWAY GROUP INC3444760Oct 22, 2025Apr 10, 20263OH
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.
C500775MERUSH LINES INCMar 23, 2025Jun 3, 20264
C500775MEMIDWAY GROUP INCOct 22, 2025Apr 10, 20263
C465616MERUSH LINES INCMar 17, 2025Mar 17, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026