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Read articles →This is a real owner performing his first hydraulic/transmission fluid and filter change on a 2013 JD 3320, shown step by step: locating the drain plug and filter, draining nearly seven gallons, comparing old versus new filter condition (metal specks visible), refilling via dipstick checks, and bleeding pressure from loader and three-point hitch. It also covers sourcing parts online versus dealer pricing. Good for owners planning this same DIY service.
Posted by Harvey Griffin, an owner documenting a hands-on DIY maintenance job on his own tractor, not a dealer or professional mechanic.
Locate the drain plug near the fender, release pressure from the loader and three-point hitch, then remove the plug and back cap so air gets in and fluid drains two to three times faster.
It holds just a little under seven gallons, so you need a large enough container to catch it all or you will have a major mess.
It is underneath the tractor, right in front of the fender, where the cap turns off, and it can be reached from outside by the wheel without crawling underneath.
Buying the whole package including oil filter, gas filter, and air breather online cost about twenty-five dollars, while the dealer charged almost three hundred dollars for fluid and filter.
