SECTION 6 - OPTIONAL EQUIPMENT
6-3
KNIVES
New Holland has several disc mower and disc
mower-conditioner knife blades available through
Service Parts. Each type of knife is designed to
function well in specific crop and field conditions.
Contact your New Holland dealer for the disc
mower/mower-conditioner knife that will work best in
your conditions.
7 Degree Twist Knives
The 7 degree twist knives, 1, are recommended for
abrasive (sandy) cutting conditions.
14 Degree Twist Knives
The standard 14 degree twist knives, 2, are
recommended in most crop conditions. A greater
knife twist angle enables the knife’s cutting edge to
cut closer to the ground while providing more lifting
action to move the crop over the cutter bar into the
conditioner producing a cleaner cut in most light crop
conditions. However, because of the greater twist
angle of the knife these knives are more susceptible
to rock damage.
V Knives
The V knives, 3, are recommended in rocky
conditions where excessive knife bending is a
concern. The V knife is to be installed with the
concave side facing downward. This style knife has
a greater resistance to bending when coming in
contact with a foreign object. The cutting quality of
this knife is not as good as with the twisted knives and
will deteriorate with knife wear. However, they are
more resistant to bending in rocky field conditions.
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