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GA 6930 / 7530 / 8030 / 8830 GA 7530
KUHN GA 6930, 7530, 8030 and 8830 semi-mounted, twin-rotor rotary rakes are designed for intensive use and simple operation. These side-delivery models excel in a variety of applications, such as managing crop densities by choosing between one or two windrows. During heavy first cut or light fourth cut, you can control... + Read More
Features
HEAVY-DUTY COMPONENTS
Heavy-Duty Components for Long Service Life
Masterdrive® GIII Gearbox
The patented KUHN Masterdrive GIII double-reduction gearbox is designed for heavy crops, tough field conditions, and intensive use. Key components have been improved to build lighter, yet stronger rotors such as: aluminum alloy housings, optimized cam track minimizing force on the follower bearing, larger follower bearing diameter reducing rotation speed and pressure on the cam, tine arms with large-dimension bearings, sturdier pivoting tine support shaft, reinforced main shaft, and reinforced mounting of tine arms on tine holders. The Masterdrive GIII’s ability to move heavy wet crop, handle dry hay gently, and neatly windrow corn stalks is unrivaled in the industry.
Double-Curved Tine Arms
Double-curved tine arms are designed to form fluffy and straight windrows for superior raking quality at high speeds. Fluffy windrows allow more air movement through the crop promoting fast and uniform drying!
KUHN rotary rakes achieve this by following two basic principles for ideal windrow formation. First, the tine arms maintain a positive forward position right up to the point where the forage is delivered to the windrow ensuring gentle crop handling and minimal ash incorporation. Second, a steep cam track allows the tines to be raised very quickly to provide additional clearance over the windrow.
Heavy-Duty Tines
KUHN tines rake the crop gently, yet thoroughly, even in dense, heavy crop. Their heat-treated steel construction helps ensure a longer service life and maximum resistance to fatigue. The floating tine attachment features large-diameter coils that reduce the risk of wear. The tine height is easily and accurately controlled to collect all of the crop and not damage the stubble. As with all rotary rakes, proper tine height adjustment is essential to maximize service life.
EXCEPTIONAL GROUND ADAPTATION
3D Suspension
The 3D suspension of the rotors provides exceptional adaptation of the machine to the terrain. Up and down movements show an impressive range from +10” to -12”.
Stabilift™ 3D Suspension Lock
Both 3D suspension rotors are equipped with an integrated hydraulic cylinder, which locks the rotor movement automatically as soon as a rotor is lifted from the ground. The main advantages of this system include:
- Lower the machine’s center of gravity for more stability
- Higher ground clearance for windrow
StabiDrive®
The ultimate stability in turns. It’s the small details that make a big difference for safe travel on the road: The axis rotation of the coupling point between the tractor’s lower links and the rake is not standard vertical, but rather slightly inclined forward. This results in the center of gravity being more in the center of the rake when turning which significantly increases stability, especially in hilly conditions. This increases the pressure on the outer lower link as well as the inner wheel of the rake’s undercarriage.
Rotor Undercarriage
The rotor wheels on KUHN rotary rakes are positioned extremely close to the tines. This allows the tines to follow ground contours minimizing contact with the ground reducing dirt and ash incorporation into the windrow.
Transport and Maneuverability
The GA 6930, 7530 and 8030 fold up narrow for easy transport on narrow roads. The tie rod controlled steering of the rear wheels provides even greater maneuverability in and out of the field.
SIMPLIFY YOUR LIFE
Electric Control Boxes to Simplify Your Life
Electric Control Boxes
For easier, more convenient use the KGA 03L control box is available as an option on the GA 6930 and GA 7530. The control box enables selection of one or two windrows as well as windrow width adjustment from the cab in addition to individual rotor height adjustment or individual rotor lift. Additional hydraulic connections or completion kits may be required.
The GA 8030 comes with the KGA 02L control box as standard equipment to easily move between field and transport, as well as selecting one or two windrow configuration and adjusting windrow width form the cab. Optionally the KGA 11L is available to control the same functions plus selecting between individual or linked rotor height adjustment. The KGA 04L control box comes as standard equipment on the GA 8830 which sets the work/transport position, adjust the windrow width, individual rotor lift, and individual hydraulic rotor height. Additional hydraulic connections or completion kits may be required.
Specs
Model | GA 7530 |
Working width - includes windrow | 1 swath 22'7" (6.9 m) 2 swaths 24'3" (7.4 m) |
Clean swept width | 18'4" (5.6 m) |
Windrow width | 1'11" - 5'7" (0.6 - 1.7 m) |
Transport width | 9'2" (2.8 m) |
Length | 28'3" (8.6 m) |
Transport height | 11'8" (3.6 m) tine arms removed 13'1" (4.0 m) tine arms assembled |
Lift height under tines | 18" (46 cm) |
Windrow delivery | To right |
Single or double windrow | Standard |
Adjustable swath curtain | Optional on front and standard on rear |
Number of rotors | 2 |
Rotor diameter | 10'6" (3.2 m) |
Number of tine arms per rotor | 11 |
Number of tines per tine arm | 4 |
Fully enclosed gearbox | Masterdrive GIII |
Number of wheels per front rotor | 4 |
Number of wheels per rear rotor | 4 |
Removable tine arms | Standard |
Wheels | 16 x 6.5-8 |
Working height adjustment | Crank (hydraulic option) |
Rotor flotation | 3-D terrain following |
Transport tires | 11.5/80-15.3 |
Sequential rotor lift | Standard |
PTO speed | 540 rpm |
PTO shaft | 1 3/8" - 6 spline CV PTO |
Overrunning clutch on PTO | Standard |
Setting into transport position | Hydraulically controlled |
Hitch | 2 point, Cat. 2 and 3N |
Minimum PTO power requirement | 60 hp (45 kW) |
Required tractor hydraulic connections | 1 SA and 1 DA |
Required tractor electrical connections | 1 - 7-pin signal |
Control box | Optional KGA 03L |
Road lights and signaling | Standard |
Machine net weight approx. | 4,784 lbs (2,170 kg) |
Safety chain | - |
Check chain | Standard |