Rotary Plough

Larrington Rotary Plough
This large heavy-weight Rotavator can cultivate the stubble ground after harvest tilth at a fraction of the cost than the plough.
Tests have shown that it uses less fuel per hour than pulling a plough and that the Larrington Rotavator leaves the soil closer to seed bed, reducing cultivation costs.
We have built 3m and 3.5m wide machines that are being used in the UK, Europe and Australia. The Rotary plough can also be speed up the preparation of the ground for potatoes.
Key Feature 1
Heavy Weight Machinery.
The heavy weight of the Rotary Plough helps to keep the machine IN the ground where other similar machines can skate or 'dance' on the surface and not really penetrate the soil as required. With the largest of the Rotary Ploughs we've built weighing 4.5 Tonnes, front end weights, and the ability to lift this weight must be checked.
Key Feature 2
PTO Driven.
The 20 spline PTO shaft with a double joint connects to the gearbox on the plough. We have fitted a commercial drive axle with differential to take the drive to each side of the main rotor shaft.
Key Feature 3
Built To Last.
We use Tsubaki duplex RS100 chains on both sides of the machine, these chains have proven to be reliable, long lasting and very strong. The main digging rotor is built from special steel with 100mm drive shafts. The bolted tines are then manufactured from Hardos 400, as are the tips, ensuring long-lasting, and reliable use.
Key Feature 4
Interchangeable Rear Roller.
The machine has a rear roller which acts as a depth gauge. The roller can be a "SIMBA Double D-Light", or an Aqueel wheel. These have already been fitted to retain moisture from a center pivot irrigation system.
Key Feature 5
Looking To The Future.
The future design of this machine could include rear crumbling rotors and soil separators to help breakdown the soil structure quickly, speeding up the creation of the seed bed. We have also look at the time involved in planting potatoes and feel there is a place for this machine to reduce planting costs by reducing the time taken preparing the soil.
Key Feature 6
Test Reports.
We fitted the Rotary Plough to a 250hp Case tractor and traveling at 4kh the tractor used 36 litres of fuel per hour. The result was a good soil structure needing only a light rake to make it suitable for the seed drill. We then proceeded to the other half of the same field but this time with a 7 burrow plough on the back of the same Case tractor. Travelling at kph the fuel consumption went up to 60 litres per hour. This left a surface which then had to be broken down by a Challenger with a selection of cultivation equipment (also using 60 litres of fuel per hour). The Challenger had to go over the ploughing 4 more times before the soil structure was comparable with what the rotary plough had obtained in just one pass.
In Conclusion - the Larrington Rotary Plough had taken a stubble field with a soft untouched soil and produced a smaller structure. The plough had dug deep into the ground and produced solid lumps which then had to have several bashings to reduce those lumps down to a seed bed. The field was then monitored for 'black grass re-growth', and there was none in the field.
Specifications Page
Related Photographs.
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