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Read articles →This is a narrow, practical repair clip: an owner replaces torn pin seals on his GC1720's loader/backhoe pivot points after damaging them on barbed wire. He shows the busted seals up close, gives the part number (AL 5215131) and socket size (8mm), and demonstrates removal and reinstallation with an impact wrench. It's a quick, specific how-to, not a tractor overview, best suited to GC1720 owners facing the same seal damage.
Posted by owner Shane Burrell sharing a hands-on fix from his own tractor's maintenance work.
The part number given is AL 5215131, and the owner notes it likely fits several other Massey backhoes and front end loaders.
An 8 millimeter socket or hex is used to pull the bolt and reinstall the seal.
The owner caught the seal on barbed wire while in tobacco, pulling forward in a sawing motion that cut the seals up.
Pull the bolt out, clean the area, use an impact wrench with some weight on the bucket, and make sure the pin aligns in the slot with the keepers on the other side.
