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It's about accurate seed placement - Kuhn North America

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Saphir 7 was introduced in 2002 to re-<br />

D place the DKA range. 94% of all<br />

owners surveyed say that they would buy<br />

the machine again, which clearly reflects<br />

a high consumer satisfaction, which is<br />

mainly attributed to the <strong>seed</strong> hopper,<br />

whose capacity is high for a mechanical<br />

drill but not too high. Another plus is its<br />

convenient platform that allows easy filling.<br />

The hopper also provides for<br />

straightforward emptying, but the inserts<br />

that are fitted for rape<strong>seed</strong> drilling to reduce<br />

the amount of remaining <strong>seed</strong>s do<br />

not earn good marks.<br />

Calibration is controlled from the cab<br />

computer, which is straightforward and<br />

D<br />

Saphir 7 (cultivator-mounted mechanical drill)<br />

Year of manufacture: from 2002<br />

Work width: 2.5/3.0 m and 4.0 m<br />

Hopper capacity: 800 l or 1,100 l on<br />

3 m version; 1,050 l on 4 m version Saphir 7 gains its<br />

popularity from<br />

Solitair 9<br />

(linkage/cultivator-mounted pneumatic drill)<br />

Year of manufacture: from 1998<br />

Work width: 3.0 m – 6.0 m<br />

Hopper capacity: 1,100 l on 3 m/4 m<br />

version (extended to 2,300 l)<br />

Solitair 9 scored sweepingly good<br />

marks. Even the manual was regarded<br />

as “excellent“. The same applies to quality<br />

convenient, whereas conversion to small<br />

<strong>seed</strong>s is more cumbersome. Most machines<br />

surveyed rely on double disc coulters<br />

followed by depth wheels. Lemken<br />

says there is no need for a coulter pressure<br />

setting system and none for tines. Depth<br />

control is <strong>accurate</strong> and so is <strong>seed</strong> <strong>placement</strong>.<br />

Wet and heavy soils present a problem<br />

to the system and some owners would<br />

of build. As a result, repairs are rare despite<br />

covering high acreages every season.<br />

Although the hoppers feature excellent<br />

capacities, lift requirement is considered<br />

low thanks to the hopper being located<br />

closer to the tractor than on the mechanical<br />

version. The excellent steps provide<br />

optimum access. Praise went to the good<br />

lid as well as to straightforward emptying<br />

and cleaning. Machine layout was considered<br />

good despite the big hopper. All<br />

owners praised the calibration testing and<br />

<strong>seed</strong> rate setting system, which is from the<br />

Outstanding features on Solitair 9 are hopper, <strong>seed</strong> <strong>placement</strong> and quality of<br />

build.<br />

its good quality<br />

of build.<br />

appreciate a tine bar (option) to cope<br />

with such conditions.<br />

Build quality is excellent whereas reliability<br />

and fail-safe operation is average.<br />

The plastic coulter covers are too flimsy<br />

while the electric system occasionally<br />

failed. The spike wheel sticks out far to<br />

the rear and is not visible from the tractor<br />

cab.<br />

cab computer. Accessibility for calibration<br />

testing could do with being better but drilling<br />

to calibrated rates is excellent.<br />

Seed <strong>placement</strong> also ticks all boxes.<br />

Most depth control systems on the sur-<br />

veyed machines rely on double disc coulters<br />

followed by press wheels. Drilling<br />

across and along rows is good. A tine bar<br />

was not reported to be lacking because<br />

covering-up was optimum anyway. The<br />

only criticism raised concerned the coulter<br />

pressure control system, which some found<br />

too cumbersome to use.<br />

User assessments - Lemken<br />

DKA Saphir 7 Solitair 9 Average<br />

result<br />

Visibility 1.6 2.0 1.9 2.1<br />

Lift<br />

requirement<br />

2.3 2.7 2.3 2.5<br />

Hopper 2.3 2.0 1.7 2.2<br />

Seed rate<br />

setting system<br />

2.2 2.0 1.4 2.1<br />

Seed<br />

<strong>placement</strong><br />

2.0 1.7 1.6 1.9<br />

Tine bar 2.1 1.9 1.9 2.0<br />

Quality of<br />

build<br />

2.0 1.5 1.2 1.7<br />

No. of<br />

repairs/500 ha<br />

3.7 2.9 1.2 3.0<br />

Buy again? Yes 71 % 94 % 89 % 75 %<br />

Schulnoten: The grading 1 system = sehr follows gut bis a 5 scale = sehr from schlecht 1 to 5, with<br />

1 representing excellent and 5 being extremely poor.

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