Monday, 07 May 2018 09:23

Wide hoe’s got get up and go

Written by  Mark Daniel
The new Kuhn EL402 R. The new Kuhn EL402 R.

Machinery giant Kuhn has developed a new power tiller (rotary hoe) -- the EL402 R – with a working width of 6m and a transmission driveline for tractors up to 400hp. 

Said to be ideal for fine and regular tilth seedbed preparation, the machine uses a 550mm diameter rotor and 144 carbide coated blades to mix and turn large volumes of crop residues at high daily outputs. 

Moving between jobs is easy with a transport width of only 3.0m and the inclusion of a transport support wheel assembly.

In outdoor market gardening, plot flood-irrigation is common, requiring paddocks that are perfectly flat and level. So the design of the EL402R includes rollers wider than the cultivation width to achieve a clean finish at the machine sides that eliminates ridges and creates a level finish between passes. 

Likewise, at the centre of the machine there is an offset between the link of the two rotors and the two rollers, resulting in a flat, level finish after the machine’s passage. 

Component reliability is seen in the machine’s cast iron gearboxes with built-in oil circulation, reinforced drive shafts, cut-out clutches, metal face seals and reinforced rotors. 

The power tiller is also equipped with a monitoring unit installed in the cab, to inform the driver if a torque limiter or oil temperature device is activated in one of the machine’s three gearboxes.

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