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back of tractor below fuel tank.
I the cab. The transmission fill also supplies all of the hydraulics.
You remove the right side panel and observe the hydraulic reservoir. Fill to the line IT HOLDS 6 GALLONS 10-30 WT OIL
fill it til the stick reads Full
Hydraulic fluid ?? P/Steering, Plug in top of pump on side of motor at front of motor Hyd/Remotes, Gear box dip stick and fill behind seat, large cast plug ??
According to my manual the x300 is a closed and sealed transmission unit. No adding hydraulic fluid for the do-it-youself mechanics. Suppose there is a way but I believe that the dealership has to do that work if it's needed.
Crankcase: 5 qts (4.7L) Hydraulic: 32 qts (30.3L)
under the seat of tractor is the hydraulic reservoir. fill it to the line on the dipstick.
The hydraulic fill is a pipe plug just to the left of the shifting lever as you sit on the tractor.
To check hydraulic fluid in a 2040 john deere when setting in the seat with both feet placed on foot boards look on right side behind your heel of foot. Look all the way back to area where axle housing, foot floor board (right foot) and rear housing under seat meet. There will be a small cap that will unscrew and when pulled up will have a dipstick on it.. This cap will look like an old dimmer switch like used to be in trucks or cars. It really doesn't stand out and is about level with the floorboard...
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Remove the fill plug and top it off with hydraulic oil.