PRACTICAL TEST: … but some cause for criticism. The semi-mounted Tyrok reversible, with new STW35 slatted bodies, reached its limits with us in just the one set of conditions. And its handling and operation were equally impressive.
This is not our first interaction with Amazone’s semi-mounted plough — we had a look at the Tyrok 400VS for a driving impression in the 02/
2022 magazine as an eight-furrow. Since then, a six-furrow version has been added,
while a nine-furrow remains the biggest.
So let’s meet our test candidate, which we used throughout last autumn — a Tyrok 400 6+1 V with hydraulic vari-width, a bolted on extra set of bodies and the new STW35 slatted boards. Amazone says that this new board was developed for medium and heavy soils, but it should also work well in lighter stuff. More on that later.
Space saving
With four folding parking stands, the plough can be stood in its transport position, helping save space provided that the ground is firm and level. Otherwise, to park the Tyrok in its working position, you will need to adjust the inclination turnbuckle to avoid tension between tractor linkage and headstock.
Whether you position the Cat III headstock in front of or behind the lower pivot point is a matter of taste or the size of tractor. If you have the pivot at the front, the line of draft is optimised; spin the headstock 180 so the pivot is behind, and then manoeuvrability is improved. We opted for the latter, mainly using 240-300hp tractors, and because this is a profi test, and we don’t like to leave any stone unturned, we also tried it with a 180hp Fendt 916 Vario, which would certainly be at the lower end of the power requirement for a seven-furrow plough. Nonetheless we didn’t have any issues.
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