Written by John Swire
Kuhn Farm Machinery displayed a 15m3 capacity trailed feeder and straw bedding machine at UK Dairy Day, highlighting its extra-wide 2.53 metre body and ability to handle at one time as many as four 1.30 x 1.20 x 2.70 metre rectangular bales or three round bales up to 2.00 metres in diameter.
The Primor 15070 M, the largest machine in Kuhn’s feeder and bedder range, can be customised according to the layout of farm buildings, with a side or multidirectional discharge chute (GL model variant) enabling straw to be blown to the left or right.
High output performance has been a key focus throughout the development of the machine, with two powerful intake rotors feeding the full 1,700mm width of the turbine’s input area. A bank of six hydraulic tines above the feed rotors enables intake settings to be adjusted and regulated according to the type of product being used and to feed the turbine with an even supply of material. The turbine itself can blow up to 18 metres and is fitted with eight bolt-on blades for pneumatic fodder separation.
The Primor 15070 M uses Kuhn’s hydraulic unroll system to clamp subsequent bales in place and stop them from rotating while the first bale is being discharged. It is also equipped with a hydraulic tailgate with a 1.2 tonne lifting capacity for loading round bales. The floor of the body is fitted with a 14mm diameter chain conveyor with an optional boost floor available to provide extra feed conveyor torque for the distribution of heavy products such as grass silage.
In common with existing machines in the Primor range, the 15070 M uses Kuhn’s disengageable belt driven POLYDRIVE clutch system to drive the two feed rotors which are equipped with 30 cutting sections for ultimate control over cutting length and intensity: all Primor machines are capable of feeding all types of long-strand feedstuffs including straw, silage and haylage.
Kuhn’s Cleanstraw dust control system is available as an option on the Primor 15070, or as a retrofit upgrade for existing machines. This facility reduces dust in livestock buildings by applying a fine mist of water to straw as it is distributed for bedding purposes. It comprises a 64-litre water tank and three misting nozzles mounted at the exit of the straw blowing chute. The nozzles are fed by a 12v/15amp pump which provides water at a flow rate of 1.8l/min, enough to treat 12 to 18 bales of straw at a rate of 1 litre of water per 100kg of straw.
Starting price for the basic Primor 15070 (with side chute and electric control) is £35,418.
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