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Overview - Twin Disc Marker
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The Twin Disc Marker (TDM) was introduced in 1981. At that time the guide bulbs were the only probe available for Guidance systems. This product has also been used by many nonguidance customers who need it in high residue conditions in order to leave a visible mark. This row marker attachment features a gauge wheel and two opposing marking discs to provide a well defined consistent mark which can be easily followed by the guide probes in a variety of field conditions. There were some changes in the TDM during the first years, however it has remained virtually unchanged during the last 12 years. Two versions have been offered since 1981, the first fits Orthman row markers which have a diamond extension tube and the second fits John Deere row markers with an extension tube set on the square. In 1992 the rim of the gauge wheel was changed from steel to plastic. The newer plastic gauge wheel is interchangeable with the older wheel.

An Operator’s Manual is available for this implement under part number PM02-82-63.

The following list of parts are intended as a guide. We feel that it would be prudent to carry the following items in stock at each dealership during the use season of this product. The quantities listed are for every 10 units which have been sold in the dealership trade area. As with any Orthman product warning decals are available from us at no charge for this product.

 

 

Note:The "Add to Cart" button will add the recommended quantity to your shopping cart.  If you do not wish to order the recommended quantity, make adjustments in the shopping cart.

 

 

KeyQtyPart #Description
02104-105 Snap ring
02104-105 Snap ring
04120-070 Bearing
04120-070 Bearing
02150-002 Gasket
02150-002 Gasket
01304-055 Block
01304-055 Block
01311-022 Disc 14”
01311-022 Disc 14”
01330-020 Disc 14” notched
01330-020 Disc 14” notched
01340-041 Hub
01340-041 Hub
01340-043 Hub
01340-043 Hub