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Farm Machinery
Machinery
Cat 2 or cat 3
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<blockquote data-quote="Cowabunga" data-source="post: 6463260" data-attributes="member: 718"><p>Get the Cat3 hooks. The top link will be heavier and stronger but is the most likely to foul with light implements.</p><p>I remember being asked to look at someone's new 6470 which had an old cat1 moleplough fitted and the complaint was that the links wouldn't drop to work. It took all of five seconds to work out that the top link hook was jamming at the rear, against the frame of the moleplough as it was being lowered. Two minutes with an angle grinder to sort it out.</p><p></p><p>Cat 3 tractors will almost invariably be supplied with a set of 3/3 and 3/2 balls, so six in all.</p><p></p><p>Oh, and tractors designed for Cat3 linkage, or 3N to be precise, which are to be attached to Cat3 implements, which have the longer cross shafts, so that the links will angle more out in work. Many existing implements have Cat3 optional attachment points. This gives an advantage of better implement following on sideling land for soil engaging implements, such as ploughs. Imagine extending the links forward 'virtually' under the tractor and they will meet further back under the tractor, giving that extra sideways stability so that the implement is subject to more self-centring. Ideally those virtual lines should meet just in front of the front axle. Sometimes with larger tractors and Cat2, and certainly Cat1 implement frames, the links will be near parallel, so there is very little stability in work and ploughs, for instance, will not give a consistent front furrow width as a result.</p></blockquote><p></p>
[QUOTE="Cowabunga, post: 6463260, member: 718"] Get the Cat3 hooks. The top link will be heavier and stronger but is the most likely to foul with light implements. I remember being asked to look at someone's new 6470 which had an old cat1 moleplough fitted and the complaint was that the links wouldn't drop to work. It took all of five seconds to work out that the top link hook was jamming at the rear, against the frame of the moleplough as it was being lowered. Two minutes with an angle grinder to sort it out. Cat 3 tractors will almost invariably be supplied with a set of 3/3 and 3/2 balls, so six in all. Oh, and tractors designed for Cat3 linkage, or 3N to be precise, which are to be attached to Cat3 implements, which have the longer cross shafts, so that the links will angle more out in work. Many existing implements have Cat3 optional attachment points. This gives an advantage of better implement following on sideling land for soil engaging implements, such as ploughs. Imagine extending the links forward 'virtually' under the tractor and they will meet further back under the tractor, giving that extra sideways stability so that the implement is subject to more self-centring. Ideally those virtual lines should meet just in front of the front axle. Sometimes with larger tractors and Cat2, and certainly Cat1 implement frames, the links will be near parallel, so there is very little stability in work and ploughs, for instance, will not give a consistent front furrow width as a result. [/QUOTE]
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Farm Machinery
Machinery
Cat 2 or cat 3
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