Mobile dryers just keep getting bigger. Opico says it will launch two huge new recirculating batch dryers at this year's UK Grain event at the East of England showground on 3 November.

The Magna 3810 and Magna 4810 have extra-large drying zones that are claimed to give the two models higher throughputs than any other dryer of this type on the market.

"The drying capacity and potential throughput of a batch dryer is dictated not just by its holding capacity but also by the size of the drying zone, or plenum chamber, and the speed with which the dryer is filled and emptied of grain," says Opico managing director James Woolway.

"The new Magna 3810 and 4610 dryers are designed with a larger plenum chamber, a bigger fan and a more powerful burner than other dryers of this kind on the market. The high capacity loading and unloading augers help reduce non-drying time which also increases throughput."

The holding capacities for the Magna 3810 and 4610 are 38t and 46t respectively. The 3810 is fully automatic and rated at 16t/hour when drying feed wheat.

Although the dryers can be moved around, Opico points out that the top sections must be dismantled for transport and it takes about a day to re-fit them. So they are best suited to situations where they will remain in one place throughout the harvest and drying season.