Equipment unit · VIN-decoded · NHTSA vPIC

2022 Silverback Trailer

4S9GF4020NH623042 · TRAILER
Carriers run under2
35 mo
Inspections5
all-time
OOS inspections3
of 5
First seenJul 6, 2023
MN
Last seenJun 11, 2026
TN
Inspected under 2 different carriers in 35 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
4S9GF4020NH623042
Make
Silverback Trailer
Model
Not decoded
Model year
2022
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
GF402

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1992 or 2022

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
623042

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
SILVERBACK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 6, 2023 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026TNI · Full2OOSROYALTY CARRIERS LLC 4472564256599M/TX
Dec 20, 2024LAI · Full1ROAD RUNNER CARRIERS LLC 3961478256599M/TX
Feb 8, 2024KYI · Full0ROAD RUNNER CARRIERS LLC 3961478256599M/TX
Jan 11, 2024TNI · Full3OOSROAD RUNNER CARRIERS LLC 3961478256599M/TX
Jul 6, 2023MNI · Full4OOSROAD RUNNER CARRIERS LLC 3961478256599M/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROYALTY CARRIERS LLC4472564Jun 11, 2026Jun 11, 20261TX
ROAD RUNNER CARRIERS LLC3961478Jul 6, 2023Dec 20, 20244TX
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.
256599MTXROYALTY CARRIERS LLCJun 11, 2026Jun 11, 20261
256599MTXROAD RUNNER CARRIERS LLCJul 6, 2023Dec 20, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026