Kubota B7100 B6100 Hydraulic Oil and Filter Change

This is a focused, hands-on hydraulic fluid service on an old B7100 (owner mentions 30 years), not a general overview. It walks through draining via three drain points, pulling and cleaning the strainer/screen, swapping the original Kubota filter for a Wix 51361 cross-reference, replacing O-rings, and refilling with 3.6 gallons of universal fluid. Good for owners doing this exact job themselves.

Appears to be an owner-operator documenting DIY maintenance on their own tractor, not a dealer or professional shop.