Cataya harrow-mounted seed drill

RoTeC coulters are maintenance-free and work very reliably, even where large amounts of straw and plant residues prevail. The sowing disc and furrow former create the seed furrow profile and provide the optimum seed placement into the soil. The Control 10 depth guidance disc, or the Control 25 depth guidance roller, prevent the soil from sticking to the sowing disc, thereby ensuring that the pre-selected sowing depth is precisely maintained.

Row spacings of 12.5 cm and 15 cm can be chosen.

Advantages of the RoTeC coulter

• High-performance single disc coulter for wet and cohesive soil types
• High level of self-cleaning through the depth guidance roller
• Decoupling of coulter guidance and reconsolidation
• Up to 35 kg additional coulter pressure

The maintenance-free RoTeC single disc coulter

1. Precise working depth adjustment from 1 cm to 6 cm.
2. Reinforced support arm with a coulter pressure of up to 35 kg. Central coulter pressure adjustment.
3. “Control" 25 mm or 10 mm depth control and cleaning roller for an even planting depth.
4. Furrow former for a clean profile seed furrow.
5. Seed guide tube up to the furrow former for even seed placement.
6. Sowing disc ∅ 320 mm made of boron steel, working angle of 7°, for smooth operation of the coulter.
7. Exact harrow for excellent seed coverage.

The RoTeC coulter: tried and tested 2,000,000 times over!

One of the unbeatable advantages of the RoTeC coulter is that there is no connection between depth control and the reconsolidation system. This means that the coulter is raised only once when passing a stone. Furthermore, the coulter and harrow pressure can be adjusted independently of each other. This very even and accurately controlled way of guiding the RoTeC coulter is ensured by the Control 10 depth guidance disc with its 10 mm wide contact area, or the Control 25 depth guidance roller with its 25 mm wide contact area, mounted directly on the coulter.

The basic setting of the sowing depth is carried out directly on the coulter without the need for tools.

RoTeC coulters are operated with a coulter pressure of up to 35 kg. In this case, the actual effective coulter pressure is comparatively higher with AMAZONE, because the pressure is not split between the coulter and the following press roller, but acts solely on the coulter - the harrow pressure is adjusted and applied separately. Working with less coulter pressure is possible without any problem when sowing rape or when sowing early in dry conditions.

1. Harrow pressure 100 %
2. Coulter pressure 100 %

Inside view of the maintenance-free TwinTeC special double disc coulter

1. Centralised, 100% independent adjustment of the placement depth and coulter pressure.
2. TwinTeC coulters mounted on rubber elements for shock absorption and central adaptation of the coulter pressure from 0 to 40 kg.
3. Protective front plate
4. Removable shims to compensate for disc wear.
5. Discs fastened at 5 points with recessed Torx screws. No wear on the fixing discs.
6. Maintenance-free bearings. No lubrication points for the maintenance-free coulter.
7. Double disc ∅ 340 mm, angle of 10°, row spacing 12.5 and 15 cm.
8. Internal scraper – HD variant.
9. Depth control/press rollers with a width of 50 mm (optional scrapers).
10. Adjustable harrow: the angle of attack is adjusted according to the degree of straw residues present.

With the TwinTeC special coulter for the Cataya Special, the harrow-mounted conventional seed drill offers the ideal coulter for light and medium soils at speeds up to 8 km/h. With a coulter pressure of up to 40 kg/coulter, the coulter travels very smoothly through the soil placing the seed precisely and reliably.

Benefits of the TwinTeC special coulter 

• Reduced lifting force as a result of the lightweight design 
• Better handling on the road and in the field as a result of its compact design 
• Good soil-seed contact provided by trailing depth guidance roller 
• Perfect depth control and simple setting as a result of trailing depth guidance roller 
• Cost-sensitive alternative to the TwinTeC double disc coulter 
• Simple operation and straightforward maintenance

In order to ensure that the placement depth of each individual TwinTeC special coulter is maintained, there is the Control 50 depth guidance roller behind each double disc coulter to ensure its precise depth control. Setting of the placement depth is carried out by 2 spindles on the right and left at the back of the Cataya Special. The placement depth can be infinitely-variably adjusted in each case, depending on the position of the depth guidance roller. 

Infinitely variable range of adjustment:

• Lower position of depth guidance roller: 1 to 4.5 cm
• Upper position of depth guidance roller: 2.5 to 6 cm

The coulter pressure is set centrally via a spindle in the middle at the back of the Cataya Special.

Inside view of the maintenance-free TwinTeC double disc coulters

1. Adjustable harrow: The angle of attack is adjusted according to the level of straw residue.
2. Perfect parallelogram with the top link for central adjustment of the sowing depth from 0 to 6 cm.
3. Centralised, 100 % independent adjustment of the placement depth and coulter pressure.
4. TwinTeC mounted on rubber elements for shock absorption and central adaptation of the coulter pressure from 0 to 60 kg.
5. Protective steel front plate.
6. Spacer discs for adjustment to compensate for disc wear.
7. Discs fastened at 5 points with recessed Torx screws. No wear on the fixing discs.
8. Maintenance-free bearings. No lubrication points on maintenance-free coulter.
9. Double disc ∅ 340 mm, angle of 10°, row spacing 12.5 and 15 cm. 
10. Internal scraper – optionally in a HD variant.
11. Depth control rollers/press rollers: 50 or 65 mm wide (optional scrapers).

Equipped with the high-performance TwinTeC coulter, the seed drill has a precise and robust double disc coulter. With a disc diameter of 340 mm and a coulter pressure of 60 kg, the coulter provides very precise and neat seed placement, even at higher speeds and on inconsistent soils. Thanks to the parallelogram guidance of the coulter, the coulter pressure and the placement depth can be adjusted independently, so that optimum seed placement is ensured. The coulter impresses with its smooth running, even under the most difficult of conditions. 

Advantages of the TwinTeC double disc coulter

• Its highest levels of flexibility permit central independent adjustment of the placement depth and the coulter pressure
• High-precision seed placement as a result of its very smooth and tidy running
• Consistent sowing depth via the high constant coulter pressure of 60 kg
• Best ground contour following for the coulter, based on the parallelogram coulter guidance
• Simple central working depth adjustment
• Reliable blockage-free sowing, even under difficult conditions, as a result of the high throughput capability
• Maintenance-free

A depth guidance roller behind each TwinTeC coulter provides precise depth guidance thus ensuring that the placement depth of each individual TwinTeC coulter is maintained. Thanks to the large coulter clearance of 195 mm and the linkage to the depth guidance roller via the top guided roller carrier, sufficient space remains, meaning that blockage-free operation is possible. Due to the narrow angle of attack of the sowing discs of 10°, excellent material passage is ensured even at high forward speeds and with large amounts of crop residues.

There is a choice of 2 different depth guidance rollers. The Control 50 mm depth guidance roller has a high through passage and is ideal for heavy, hard soils. On the other hand, the Control 65 mm depth guidance roller offers a higher carrying capacity, which is ideal for lighter soil types.

The robust plough-based coulter for the Cataya Special

The WS suffolk coulter is particularly well-suited to sowing after the plough or if there is only a little straw present, for example, after harvesting oil seed rape or turnips. The cast material of the coulter tip has an exceptionally long service life. For larger farms with hardwearing soils, a quick coulter tip change, when replacement is necessary, is possible by removing just one bolt.

The 3-row layout and the large coulter stagger prevent blockages in amongst the coulters. A funnel in the coulter guides the seed precisely down into the coulter tip. The back-up flap prevents the coulter outlet from being blocked when the machine is set down.

1. Back-up flap
2. Hard cast tip

The sabre coulter tip was developed for very shallow seed placement on light soils or for mulch sowing with an average amount of prevailing straw. It can be replaced with the WS tip with very little effort.

Band sowing shoes are easy to attach and allow the seed to be distributed in a broad strip as well as helping to reduce the placement depth.

Infinitely variable adjustment of the coulter pressure is possible thanks to the mechanical coulter pressure adjustment. The TwinTeC double disc coulter and the RoTeC coulter can be adjusted centrally from the SmartCenter. On the TwinTeC double disc coulter it is also possible, for instance, in the area around the tractor wheels, to increase the coulter pressure by a further 6 kg using additional tension springs.

• Standard for the Cataya Special and the Cataya Super

The hydraulic coulter pressure adjustment enables the coulter pressure to be adjusted conveniently from the tractor cab. The coulters can also be lifted out by up to 145 mm. The coulter lift is an extremely useful option for working in field corners.

• Optional for the Cataya Special with RoTeC single disc coulter or TwinTeC special double disc coulter
• Optional for the Cataya Super with TwinTeC double disc coulter

The special Comfort Hydraulics system for the Cataya Super enables the control of the hydraulic functions of coulter pressure, coulter lift and following harrow lift, if fitted, via the tractor terminal. Technically, just one tractor spool valve is required.

The advantages of Comfort Hydraulics

• Control of the hydraulic functions of coulter pressure, coulter lift and following harrow lift via the tractor terminal
• Optimum adaption of the coulter pressure to the field conditions
• Easy reading of the coulter pressure
• Limiting the upper and lower limit of pressure on the coulters

The Exact following harrow ensures the optimum coverage of the open seed furrows, perfect levelling and performs, even with large amounts of straw, blockage-free. Individual, swivel-mounted harrow elements allow it to adapt to uneven ground and achieve an even seed coverage. The harrow pressure is adjusted centrally via a lever. Alternatively, and as an option, hydraulic harrow pressure adjustment is available, which works automatically in conjunction with the hydraulic coulter pressure adjustment. As an option, hydraulic harrow lift can also be specified.

The Roller harrow for the Cataya Super additionally consolidates the soil above the seed furrow, providing the optimum germination conditions. This is recommended especially for light, dry soils when sowing spring crops or rape. The result is an undulating surface profile that reduces erosion. The Roller harrow, adjustable separately from the coulter pressure, can follow the ground contours over a range of ± 100 mm.

Either of the two TwinTeC double disc coulter systems can be optionally equipped with a harrow mounted directly on the coulter. Even in undulating ground, depth guidance is carried out without any problem thanks to the suspended harrow bracket. In the event of wear, an adjustment can be made in 7 steps, up to 150 mm. The intensity of the harrow can also be adjusted
in 3 steps by repositioning a pin (30°, 45°, 60°). Due to the close proximity of the harrow, it is possible to sow right up to the field margins.