Proportional Valve YZ502535 For John Deere Tractor 9R 390 9R 440 9RT 470 9R 490 9R 540 9R 590 9R 640MAKE TYPE MODEL John Deere Cotton Picker 7760 John Deere Cotton Picker CP690 John Deere Cotton Picker CS690 John Deere Skidder 540H John Deere Skidder 548G III John Deere Skidder 548H John Deere Skidder 640H John Deere Skidder 648H John Deere Skidder 648HT John Deere Skidder 748H John Deere Skidder 748HT John Deere Skidder 848H John Deere Skidder 848HT John Deere Tractor 9R 390 John Deere Tractor 9R 440 John Deere Tractor 9R 490 John Deere Tractor 9R