Hi-Torque Circu-Lator 2

Removal rates up to 24,000 bushels

The Hi-Torque Circu-Lator 2 grain drying machine utilizes ultra high capacity sweeps and gearbox to maximize counter-flow drying technology.  This machine is ideal for installation in bins 36’ to 42’ in diameter and can handle up to 24,000 bushels per day.

In large diameter bins, 42' and 48' diameter, the amount of torque required to start the Circu-Lator with grain in the bin is increased due to the longer length and larger diameter flite of Ultra High Capacity tapered sweep augers.  In order to assure the starting of a Circu-Lator of this size, Shivvers designed a drive head, driven by two 10HP motors.   The Ultra High Capacity tapered sweep augers are hard surfaced to withstand the wear of drying hundreds of thousands of bushels of grain!

The Hi-Torque Circu-Lator is a real workhorse for high capacity grain drying. 

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Machine Components

The Hi-Torque Circu-Lator 2 can function as a recirculating unit or as a continuous-flow drying using transfer equipment for most any free-flowing grain, including corn, soybeans, wheat, milo, and rape.

Two Ultra High Capacity tapered sweep augers

These ultra high capacity sweeps remove approximately 500 bushels per hour each.  This seriously increased removal rate allows for increased drying rate as produced by larger or multiple fans and heaters.

Heavy Duty Gearbox

Rugged gearboxes are built for long years of durable service.  They are packed with moly grease, have oversize 1 1/4" stressproof shafts, hardened steel gears and tapered thrust bearings.  They are proected by three seals on every shaft opening and zerks are provided for directly lubricating each bearing.  The weight of the center vertical auger is borne by a rugged cast iron spider wheel which transmits the load to thrust bearings.

8" Horizontal Unload Auger

The drying bin can be unloaded independently of the Circu-Lator through the built-in unloading system.  The horizontal discharge unit may be converted to vertical discharge with the addition of an 'add-on' vertical unloader.

Wide Spread Center Vertical

All high torque Circu-Lators utilize the wide spread center vertical to elevate the grain to the 8" transfer augers for transferring to other storage bin sor for re-circulating within the drying bin.


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