We have two SLIGHTLY used vacuum hopper loaders for sale. Both were bought new and used for testing only. Less than 10 hours on each.
Shini Model SHR-6S-E Self Contained (Vacuum) Hopper Loaders
Sell for $700 as is. No warranty.
Novatec model VL-5 VL Series Vacuum loader
Manual available online. Sell for $1200 as is. No warranty.