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or 1-800-657-6955 (tri-state area only)
Hanson Twintrac Silo Unloader
Hanson by Valmetal surface drive silo unloader
Hanson's original unloader, the Twin-Trac is proven to provide many years of dependable service. It's simple, clean design is propelled by two heavy, cast drive hubs. The dual augers rotate in opposite directions to quickly chop silage for fast, efficient unloading in all silo conditions. Combine these with our many other features, and you will discover that the Twin-Trac is the best economical unloader available.
Differential-Drive Transmission Gears are made of a special manganese bronze for long-lasting, dependable performance to handle frozen, hard-packed silage. Tapered roller bearings on all shaft ends. We manufacture all our own gears to maintain quality. Heavy-duty Drive Unit with an adjustable ratchet clutch