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For High-Horsepower Tractors

The Challenger is the plow for high-horsepower tractors and extremely difficult working conditions.

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More bottoms help you plow more acres in less time. The KUHN Challenger’s 8 ½” beam section provides durability during work and combined with its protection system (traction bolt or non-stop reset), ensure a long life with minimal down time. On-land plowing is standard to adapt to your large tractors with dual tires or wide tracks. With the Challenger, you can customize your plow leg protection to best your working conditions.
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Your benefits

Heavy-Duty Components for an Increased Machine Life

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Traction Bolt

A clean break of the traction bolt, following a force of 5,280 – 8,820 pounds at the plow point, avoids the risk of nuisance shearing. The traction bolt system is an economical protection system that avoids the wear associated with shear bolt systems.

Non-Stop Hydraulic (NSH) Reset

When a field obstacle is met, a rapid breakaway of the plow leg occurs. Once the obstacle is passed there is an increase in pressure, bringing the bottom quickly and firmly back into working position. The system also acts as a shock absorber in rocky ground, increasing plow life.
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Headstock with Heavy-Duty Articulation

The swift hitch cross shaft is positioned low on the machine for the best possible weight distribution and maximum traction in difficult conditions.
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Triplex Steel

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.
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Well-Formed Plowing with Moldboard Choices

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H4 Moldboard

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.

N Moldboard

The helico-cylindrical semi-digger 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.
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Olympic® Share Points

Reversible for maximum efficiency. More pronounced form at wearing zones on the point for longer life and better protection of the landside. Point is self-sharpening for good ground penetration at all times.
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Enhance Your Productivity in the Field

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Large Hydraulic Offsetting Adjustment

Large adjustments can be made to the plow offsetting (its angle in relation to the tractor) from the tractor seat by activating one of the hydraulic valve levers. This allows for easy adaptation to all possible tractor track widths.

On-Land Plowing

On-land plowing offers greater distribution of weight load, lowering compaction to a minimum. Reduced tire wear on rocky ground and extra-wide tires or dual wheels can be used. It is not necessary to disassemble dual wheels for plowing. The Challenger can be easily transformed back to an “in-furrow” plow if wet conditions reduce traction on land. A front-mounted depth wheel is essential when working in an on-land position.
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Multiple Working Widths – 14”, 16” and 18”

Whether a traction bolt model or non-stop hydraulic (NSH), changes in working width to settings of either 14”, 16” or 18” are quick and easy to carry out. The width-setting bolt is removed and the plow legs pivot to the desired width.
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Equipment

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Specifications

SPECIFICATIONS
 
Number of bottoms per side (front + rear)
Extendable by one bottom
Standard moldboards
Hydraulic rollover with 2 cylinders
Maximum tractor power
Minimum allowable power
Approximate machine weight for T version
Approximate machine weight for NSH version
Cutting width
Working width
Underbeam clearance
Point to point clearance
Beam
Easy hitch cross shaft
On-land hitch kit
Two-wheel undercarriage with suspension for transport
Sequencing valve - combines lift and rollover functions
Hydraulic adaptation
Hitch
Offset adjustment
Adjustable depth wheel with tire
Challenger 7 T Challenger 8 T Challenger 9 T Challenger 10 T Challenger 11 T Challenger 12 T Challenger 7 NSH Challenger 8 NSH Challenger 9 NSH Challenger 10 NSH Challenger 11 NSH Challenger 12 NSH
7 (4+3) 8 (5+3) 9 (5+4) 10 (6+4) 11 (8+3) 12 (8+4) 7 (4+3) 8 (5+3) 9 (5+4) 10 (6+4) 11 (8+3) 12 (8+4)
Yes, at front Yes, at rear Yes, at front No Yes, at rear No Yes, at front Yes, at rear Yes, at front No Yes, at rear No
H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial H4 long helicodial
Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard
287 hp (211 kW) 328 hp (245 kW) 370 hp (276 kW) 410 hp (306 kW) 450 hp (336 kW) 485 hp (362 kW) 287 hp (211 kW) 328 hp (245 kW) 370 hp (276 kW) 410 hp (306 kW) 450 hp (336 kW) 485 hp (362 kW)
190 hp (139 kW) 215 hp (159 kW) 245 hp (179 kW) 270 hp (198 kW) 297 hp (219 kW) 324 hp (241 kW) 190 hp (139 kW) 215 hp (159 kW) 245 hp (179 kW) 270 hp (198 kW) 297 hp (219 kW) 324 hp (241 kW)
8,289 lbs (3,760 kg) 8,924 lbs (4,048 kg) 9,559 lbs (4,336 kg) 12,262 lbs (5,562 kg) 10,829 lbs (4,912 kg) 11,464 lbs (5,200 kg) 8,289 lbs (3,760 kg) 8,924 lbs (4,048 kg) 10,194 lbs (4,624 kg) 10,829 lbs (4,912 kg) 11,464 lbs (5,200 kg)
9,061 lbs (4,110 kg) 9,762 lbs (4,428 kg) 10,463 lbs (4,746 kg) 11,164 lbs (5,064 kg) 11,865 lbs (5,382 kg) 12,566 lbs (5,700 kg) 9,061 lbs (4,110 kg) 9,762 lbs (4,428 kg) 10,463 lbs (4,746 kg) 11,164 lbs (5,064 kg) 11,865 lbs (5,382 kg) 12,566 lbs (5,700 kg)
14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm)
14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16" or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16" or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16", or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16" or 18" (35, 40, or 45 cm) delivered at 16" (40 cm) 14", 16" or 18" (35, 40, or 45 cm) delivered at 16" (40 cm)
31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm) 31.5" (80 cm)
40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm) 40" (102 cm)
8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm) 8.7" x 8.7" (220 x 220 mm)
Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft Cat. 3 with cross-shaft
Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard
Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard
Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard
1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling 1 SA for lifting; 2 DA for rollover and offset/angling
Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch Cat. 3 cross shaft with swift hitch
Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic
Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard

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