Disc Speed - MacDon R85 Operator's Manual

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
Alfalfa
Sudan, Sorghum, Haygrazer,
Timothy
Short grass
Disc speeds are set and adjusted from the cab using system controls, without shutting down the windrower.
Refer to your windrower operator's manual.
147757
OPERATING THE HEADER
Condition
Heavy
Light
Tall and stemmy
Dense
Thin
87
Disc rpm
2300–2500
1600–2000
2300–2500
2500
1800–2000
Revision B