Here's a selection of Hydraulic system information that you can view: 850-950-1050 Hydraulics. If the power steering is working fine and the rest of the hydraulics are weak then the flow divider may be the issue. It could be something as simple as a bit of debris sticking the valve.

Type Hydraulic Oil Capacity w/ Filter Qts. (Ltrs) TRIMMERS, CHIPPERS, AND EDGERS 21C/21S 25S/30S/ JOHN DEERE 2 CYCLE OIL 50:1 Ratio when using John Deere 2-cycle

Re: Re: 950 Oil Filter in reply to twopop, 02-06-2000 14:20:12. ditto on NAPA. My NAPA is 8 miles vs. 25 to the JD dealer. Of course, you could order via internet from JD dealers on the net. Frankly, my JD dealer is too far away, (I don't go up north in my county often)so I'm beginning to look to order over the net. John Deere recommends this service every 200 hours so while not super frequent, definitely important. This applies to most John Deere lawn tractors, especial
Maintain your machine's top performance by using premium John Deere replacement parts! Quick-Reference Guides are a handy tool for keeping track of common maintenance part numbers for your John Deere equipment. Compact Utility Tractors. Search by Model Number. Compact Utility Tractors (22.4 - 66 Engine HP)
. 363 128 229 193 91 126 368 164

john deere 950 hydraulic filter location