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<blockquote data-quote="ironpeddler" data-source="post: 282606" data-attributes="member: 1530"><p>A proper internal repair of a oil-bath mower requires disassembly of the cutterbar halves. Yes some on the MFG's have shear shafts so impact damage is hopefully contained outside the cutterbar but that's not often the case. The same MFG's put magnetic plugs in the cutterbar to help collect the metal debris from the oil bath. The oil bath should be changed every season for obvious reasons. If damage occurs internally the oil bath cutterbar the damage is not contained to one gear but usually involves more consequential damage than the original failure. </p><p></p><p>The shaft drive system used in the Agco/New Idea, Vermeer, Lely & Haymaxx disc mowers has 1/3 less moving parts and 10-20% less weight of the oil bath style cutterbars. Since there are 1/3 less moving parts the shaft drive cutterbars need 20% less power to operate them. When you see that most 3 point disc mowers are used on tractors from 40-60 PTO HP you can understand why operating with less HP and weighing less is a great advantage over the oil bath style mowers. Smaller tractors are more fuel efficient and do compact the soil as much as the larger tractors. These shaft drive mowers use sealed bearings and use EP-0 grease as their gear lubrication. Each individual cutting head has it's own self contained gearbox. Therefore consequential damages are limited to that one gearbox and not flowing up and down a cutterbar like the oil bath style cutterbars. The shaft design does have an advantage in hilly terrain because of lubrication issues with the oil bath cutterbars. We trade for every make of mower out there and 80% of the bearing failures are in the outside 2' of the oil bath cutterbars mainly because of less lubrication of the oil flowing up hill. </p><p></p><p>We can disassemble & reassemble a shaft drive cutterbar in 2 hours or less. This is not possible on an oil bath cutterbar. Which means less down time & less cost for repairs on a shaft drive style cutterbar.</p><p></p><p>We have 35+ years experience in selling new disc mowers and have sold & serviced thousands of disc mowers from many different MFG's. We have been selling the Lely/HayMaxx shaft design since the mid-1980's.</p><p></p><p><img src="http://www.ccmachinery.com/images/Haymax%20Mower%20019sl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="ironpeddler, post: 282606, member: 1530"] A proper internal repair of a oil-bath mower requires disassembly of the cutterbar halves. Yes some on the MFG's have shear shafts so impact damage is hopefully contained outside the cutterbar but that's not often the case. The same MFG's put magnetic plugs in the cutterbar to help collect the metal debris from the oil bath. The oil bath should be changed every season for obvious reasons. If damage occurs internally the oil bath cutterbar the damage is not contained to one gear but usually involves more consequential damage than the original failure. The shaft drive system used in the Agco/New Idea, Vermeer, Lely & Haymaxx disc mowers has 1/3 less moving parts and 10-20% less weight of the oil bath style cutterbars. Since there are 1/3 less moving parts the shaft drive cutterbars need 20% less power to operate them. When you see that most 3 point disc mowers are used on tractors from 40-60 PTO HP you can understand why operating with less HP and weighing less is a great advantage over the oil bath style mowers. Smaller tractors are more fuel efficient and do compact the soil as much as the larger tractors. These shaft drive mowers use sealed bearings and use EP-0 grease as their gear lubrication. Each individual cutting head has it's own self contained gearbox. Therefore consequential damages are limited to that one gearbox and not flowing up and down a cutterbar like the oil bath style cutterbars. The shaft design does have an advantage in hilly terrain because of lubrication issues with the oil bath cutterbars. We trade for every make of mower out there and 80% of the bearing failures are in the outside 2' of the oil bath cutterbars mainly because of less lubrication of the oil flowing up hill. We can disassemble & reassemble a shaft drive cutterbar in 2 hours or less. This is not possible on an oil bath cutterbar. Which means less down time & less cost for repairs on a shaft drive style cutterbar. We have 35+ years experience in selling new disc mowers and have sold & serviced thousands of disc mowers from many different MFG's. We have been selling the Lely/HayMaxx shaft design since the mid-1980's. [img]http://www.ccmachinery.com/images/Haymax%20Mower%20019sl.jpg[/img] [/QUOTE]
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