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Sunflower 6631 Three-Section Vertical Tillage

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Features

SUNFLOWER SABER BLADE

This 22-inch-diameter blade has 25 soil-lifting flutes designed with scallops to maintain an effective cutting edge acre after acre. No grinding or rolling is necessary to maintain its edge.

TRUNNION-MOUNTED BEARINGS

The trunnion bearing features triple-lip seals that cannot be damaged by daily greasing and metal washers that protect the seals from being damaged by stocks or material wrapping around the gang shaft. As the C-Flex bearing standards move, the gang bearings constantly realign. There is never any wear between the bearing and the housing, always creating positive lubrication as a result.

C-FLEX BEARING STANDARDS

Sunflower’s trunnion bearings provide positive alignment, eliminate side-loading of the bearings and the housing to ensure positive lubrication. As the C-Flex bearing standards move, the gang bearings have to constantly realign. 

SINGLE-POINT DEPTH CONTROL

Single-point depth control is conveniently located at the front of the machine for easy access. Large, easily read markings indicate the direction of movement for adjusting.

FRONT-MOUNTED GAUGE WHEELS

A trademark on all flexible Sunflower tools is front-mounted gauge wheels. This important feature prevents the front gangs of the wing frame from gouging, buckling or cutting deeper than the other gangs, promoting a level, ridge- or furrow-free field. The heavy-duty gauge wheels feature a five-bolt hub and 8x10 ply tire.

HYDRAULIC SELF-LEVELING HITCH

Level the disc frame from front to rear with Sunflower’s hydraulic self-leveling hitch. This positive adjustment maintains a preselected setting regardless of the tillage depth. It features heavy-duty compression springs on each side of the pivot to cushion both front and rear gangs, which is important when crossing ditches or rough terrain.

MAINTENANCE-FREE UHMW

Sunflower 6630s are equipped with maintenance-free lift and wing pivot systems. These systems pivot on UHMW polymer sleeves, eliminating greasing in the lift, wing and gauge wheel pivots.

 

  • Sunflower Saber Blades 
  • Narrow 7.5” Blade Spacing
  • Soil Conditioning Reel
  • Hydraulic Self-Leveling
  • “Service-Free” UHMW material used throughout

 

Specifications

ModelWorking width ft (m)Transport width ft (m)Transport height ft (m)Weight lbs (kg)Power requirements
6631-21 20’ 2” (6.1) 13’ 5” (4.1) 10’ 10” (3.3) 14,405 (6,534) 9 to 11 hp/ft
6631-24 22’ 7” (6.9) 13’ 5” (4.1) 12’ 2” (3.7) 15,683 (7,114) 9 to 11 hp/ft
6631-27 26’ 3” (8.0) 13’ 5” (4.1) 13’ 10” (4.2) 17,633 (7,998) 9 to 11 hp/ft
6631-29 28’ 8” (8.7) 13’ 5” (4.1) 15’ 0” (4.6) 18,705 (8,485) 9 to 11 hp/ft
6631-31 30’ 0” (9.1) 17’ 5” (5.3) 13’ 10” (4.2) 19,885 (9,020) 9 to 11 hp/ft
6631-33 32’ 6” (9.9) 17’ 5” (5.3) 15’ 0” (4.6) 20,957 (9,506) 9 to 11 hp/ft
6631-36 34’ 9” (10.6) 17’ 5” (5.3) 16’ 1” (4.9) 21,986 (9,973) 9 to 11 hp/ft
6631-35 32’ 7” (9.9) 15’ 4” (5.54) 13’ 7” (4.1) 24,749 (11,226) 9 to 11 hp/ft
6631-40 37’ 5” (11.4) 17’ 8” (5.54) 13’ 7” (4.1) 28,824 (13,075) 9 to 11 hp/ft