Kuhn VARI-CHALLENGER - 9
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Heavy-Duty Components for an Increased Machine Life
Moldboards are made of unequal layer, heat-treated Triplex steel that have an increased working life up to 40% over standard steel and a hard wearing surface over 1/8” thick.
Strength and durability starts with a strong backbone. In this case, the main beam measures a stout 8.7” by 8.7”. Many of the moving parts have been integrated into the machine’s structure to safeguard against impact, humidity and dust.
Non-Stop Hydraulic (NSH) reset comes standard and protects the points, shares and other critical components from damage by rocks or foreign objects. The NSH system allows each individual bottom to move up to 27.5” vertically and nearly 8 inches laterally.
Well Formed Plowing with Moldboard Choices
The H4, helicoidal, Scandinavian-type moldboard provides well-formed plowing to a normal depth range of 7-12”. The share is fitted with a reversible/replaceable point that greatly increases the life of the share. Recommended for fall plowing, the H4 moldboard is especially suited for heavy and damp clays. Furrow passes are well defined and trash burial is excellent.
The helico-cylindrical N moldboard plows to a depth of 14”. Designed to be highly versatile, it is cylindrical at front, helicoidal at rear. A low draft ensures a partly broken furrow with excellent trash burial. Recommended for spring plowing, this moldboard is versatile and works well in sandy or clay soils.
Olympic® Share Points
Reversible for maximum efficiency. More pronounced shape at wearing zones on the point for longer life and better protection of the landside. Point is self-sharpening for good ground penetration of at all times.
ENHANCE YOUR PRODUCTIVITY
Hydraulically Adjustable Plowing Width
Users can easily adjust the plowing width from the tractor cab. The furrow can be narrowed to 14” for deep plowing and/or heavy soils. Increasing the furrow width to up to 22” improves productivity when working at shallower depths in lighter soil conditions.
The Vari-Challenger includes an on-land hitch as standard equipment to accommodate large tractors with dual wheels. An available offset hitch kit offers even further clearance for extra-wide tires. Tracked tractors will especially benefit from the optional front mounted undercarriage, as it reduces the weight on the tractor for improved traction and handling. If the conditions require it, the plow can also be converted to an in-furrow machine.
Rear Body Lift
Hydraulic lift allows for progressive furrow entry by angling the main beam. This creates a smoother and more even headland and lowers fuel consumption. The rear section (behind the transport wheels) can be lifted out of the ground completely so only the front section is plowing, reducing power requirements in extremely difficult soil conditions.
|Number of bottoms per side (front + rear)||9 (5+4)|
|Extendable by one bottom||Yes, at front|
|Standard moldboards||H4 long helicoidal|
|Hydraulic rollover with 2 cylinders||Standard|
|Minimum tractor power||225 hp (168 kW)|
|Maximum allowable power||405 hp (302 kW)|
|Approximate machine weight for NSH version||14,974 lbs (6,792 kg)|
|Working width||14'' - 22'' (35 - 56 cm) hydraulically adjustable|
|Underbeam clearance||31.5" (40 cm)|
|Point to point clearance||40" (102 cm)|
|On-Land hitch kit||Standard|
|Two-wheel undercarriage with suspension for transport||Standard|
|Sequencing valve - combines lift and rollover functions||Standard|
|Hitch||Cat. 3 with cross-shaft|
|Beam dimensions||8.7" x 8.7" (220 x 220 mm)|
|Offset and angling adjustment||Hydraulic|
|Adjustable depth wheel with tire||Standard|
Product specifications are based on published information at the time of publication.
Product specifications are subject to change without further notice.
Contact your local KUHN Dealer for more information.