That fluid filler thingee at the back PTO

BELLC

New member
Jul 26, 2010
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Central Lousiaina
L2650 - It has a sight-glass by the clutch pedal with a HIGH and a LOW mark to see if the hydraulic fluid is at the proper level.

There is a filler hole right in front of the seat to adjust this level.

So what is the purpose of having another filler hole above the PTO? Aren't they tied together for fluid level?