This cultivator has been designed for high horsepower tractors. The 100 kg Big Chief and 150 kg Big Chief HD disc harrows require a horsepower of 220 to 350. The working width of the Big Chief is from 6.20 to 7.00 m and the Big Chief HD is from 5.20 to 6.20 m
The drawbar is eqipped with a hydraulic cylinder to increase the pressure on the tractor to reduce the draft. This cylinder is linked to a rubber shock absorber to ensure a regular working depth and give a comfortable ride.
The gang angle on this disc harrow can be adjusted either mechanically or hydraulically to maintain a level tilth.
For different working conditions a large choice of discs and spacing are available. A choice of rear rollers is also available.
Other options include an autolube system, hydraulic brake system and low pressure wheels.
|
Big Chief |
Big Chief HD |
| Working width (m) |
6.20 - 6.60 - 7 |
5.20 - 5.70 - 6.20 |
| Frame section (mm) |
250 x 150 x 10 |
200 x 100 x 10 |
| 2nd frame section |
150 x 100 x 8 |
150 x 100 x 8 |
| Number of discs |
56/60/64 |
40/46/48 |
| Discs spacing |
230 |
280 |
| Discs Diameter (mm) |
610, 660 |
660, 710, 760 |
| Discs shaft size |
40 |
50 |
| Hub |
80 mm, angular |
80 mm, angular |
| Angle adjustment |
Mechanical or hydraulic |
Mechanical or hydraulic |
| Hitch |
Tractor drawbar |
Tractor drawbar |
| Linkage |
mounted on tractor link arms |
mounted on tractor link arms |
| Roller |
Emopak roller |
Emopak roller |
| Options |
Discs, hydraulic angle, hydraulic brake system... |
Discs, hydraulic angle, hydraulic brake system... |
