MacDon R85 - 4.8 Disc Speed

214366 100 Revision A
4.8 Disc Speed
The disc header can be used to cut a variety of crops.
For the best cutting results, a range of disc speeds is recommended for each type of crop and condition. Refer to
table below.
Table 4.2 Disc Speed Recommendations
Crop
Condition
Disc rpm
Alfalfa
Heavy
2300–2500
Alfalfa
Light 1600–2000
Sudan, Sorghum, Haygrazer,
Timothy
Tall and stemmy 2300–2500
Short grass
Dense
2500
Short grass
Thin
1800–2000
Disc speeds are set and adjusted from the cab using system controls, without shutting down the windrower. For
instructions for setting and adjusting disc speeds, refer to your windrower operator’s manual.
OPERATING THE HEADER