Sonar-Activated Header Height Control

Sonar-Activated Header Height Control COMBINES Accessories 19-1-23 You'll like this new automatic height control system that uses sonar to adjust header height instead of mechanical "feelers." For Deere headers, the Johnson Ultra-Sonic Height Control System wires into standard Dial-O-Matic height control circuits on the combine. An ultrasonic transducer mounts on each side of the head. Maintains header height within 1 1/2 in. of setting, says inventor W.A. Johnson. "Once installed there's nothing to go wrong. No feelers to break off, no maintenance to worry about," he says. The patent pending system installs in about 1 1/2 hours. Sells for $1,695. Will be available for Case-IH and other combines by late 1995. Contact: FARM SHOW Followup, W.A. Johnson Inc., 2340 Ampere Drive, Louisville, Ky. 40299 (ph 800 523-3979 or 502 266-7177; fax 266-7178).

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