7 December 2021

Volumaxx Silo Unloader

The Valmetal Volumaxx silo unloader is the result of more than 60 years of experience and leading-edge expertise in terms of performance and output. The whole idea of a ring-drive unloader is to put the power and leveling requirements on the ring and the hexapod so that the auger can spend its time digging, moving, and blowing.



  • Models available for 12′ – 24′ diameter silos.
  • 10” high performance roughage auger 
  • New high-volume impeller features stainless steel band and reversible stainless steel paddles.
  • Self-adjusting cantilevered “walking pressure wheel”.
  • Independent power ring models feature high-efficiency drive.
  • Motor-mount assembly features easy belt tension adjustments.
  • Dependable 95% efficient gear box.
  • Independent motorized gear box with 500:1 gear reduction.
  • Heavy-duty auger gear box provides more power than conventional type gear boxes to the auger and impeller.
  • Re-New Kit includes 10” diameter chipper wheel, convenient grease zerk, end shroud defl ector and 10” diameter wall wheels.
  • Auger shroud features bolted construction and type 409 stainless steel cover.
  • Flex line shaft drive models feature free floating gear box.
  • Forward-pitched flighting keeps haylage and silage moving toward the center of the auger.
  • Double flighting at chipper wheel end for smooth operation.
  • Lower power requirements, more efficiency, higher capacity and less auger wear.
  • Ring drive constructed from heavy 7 x 3/16” thick steel.
  • Suspended by three high-tensile aircraft-type cables.
  • Rugged, ductile iron 10” diameter chipper wheel with 6 case-hardened steel knives to shave frozen silage from the silo wall.
  • Adjustable 10” diameter wall wheels made of one-piece, heavy duty polyethylene are individually adjustable for accurate positioning.
  • PowerMaxx Distributor for center-fill silos.