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SKU: AR87999 Category:


The JOHN DEERE AR87999 is a SYNCRONIZER DISC KIT designed for use in heavy-duty John Deere machines. These parts are crucial for the optimal functioning of the transmission. The synchronizer disc kit is an important part of the synchromesh gearbox, which is a type of manual transmission commonly used in heavy-duty machinery such as tractors, combines, and other agricultural vehicles.

The synchronizer disc kit is responsible for synchronizing the rotation speeds of two gears before allowing them to engage. This is important because if the two gears are rotating at different speeds, it can cause grinding and damage to the gears and synchromesh mechanisms. The synchromesh gearbox’s mechanism uses cone-shaped synchro rings and friction surfaces to achieve gearing synchronization before engaging. The ar87999 synchronizer disc kit consists of several components that work together to ensure smooth and efficient gear changes.

The JOHN DEERE AR87999 SYNCHRONIZER DISC KIT includes one synchronizer ring, two brake discs, and one spacer ring. These components have been designed with precision and manufactured using high-quality materials to ensure maximum durability and performance. The synchronizer ring is made of high-quality steel and has a tapered geometry that enables it to fit snugly around the cone-shaped synchro rings. This ensures accurate synchronization of the gears.

The brake discs are also made of high-quality materials and come inbuilt with an effective braking mechanism. The brake disc’s function is to slow down the rotation of the gears before they come into engagement, which minimizes any grinding or damage that might occur. The spacer ring is used to provide additional clearance between the gears and has been specifically designed to be compatible with John Deere machines.

In conclusion, the JOHN DEERE AR87999 SYNCRONIZER DISC KIT is an important spare part for John Deere machines’ efficient operation. The kit’s quality components ensure that the synchronizer mechanism operates accurately and smoothly to prevent damage to the gearbox. The synchronizer disc kit is a must-have for any John Deere machine operator to ensure optimal performance of their equipment.


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