1984 - Volume #8, Issue #4, Page #14[ Sample Stories From This Issue | List of All Stories In This Issue | Print this story | Read this issue]
German Rock Machine
Developed by Josef Willibald, Frickingen, West Germany, the rock crusher resembles a roto-tiller from a distance and, in fact, it works the soil up and leaves it level much like a tiller. Crushed rocks are worked back into the soil where their nutrients are released to enrich the soil, says Alfons Ehrle, sales manager for the Willibald Company.
"The crusher is pto-powered and mounts on a tractor 3-pt. hitch. An intake rotor picks up stones to a depth of 3 in. and throws these to a slasher rotor. The stones hit the rotating slashers and are smashed instantly. The slasher rotor works about 4 in.above the ground, "pre-smashing" large stones before they reach the in-take rotor at the back," explains Ehrle.
The crusher, which practically eliminates having to pick rocks, can cover 1 to 2 acres per hour with it's 5¢-ft. width, says Ehrle. Two smaller models are also available.
Ehrle notes that there is some question whether or not the machine could successfully crush the hard, granite-type rocks common on farms throughout the Midwest. The company hopes to find a North American distributor and begin field tests soon.
For more information, contact: FARM SHOW Followup, Josef Willibald, Maschinenfabrik, D-7771 Frickingen-Altheim, West Germany (ph 07554 8411).
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