These are throw-away pumps and not worth rebuilding because the cost is too high.
Click on the link below.
Click on hydraulics on the right side of your screen
Click on pumps on the left side of your screen
Click on gear pumps --same side
Scroll down to the D Series pumps and you will see the D27AA2A pump.
You can buy that pump for less than $250.00. It is the same pump as in your tractor now except that you need them to supply inlet fittings for it because this pump has threaded holes on both sides. Your pump was special ordered with an inlet fitting but you can"t buy that pump from anywhere but the dealer and it will cost you twice as much there.
When you change out the pump, make sure you empty the oil out of the system and then refill it with 20W50 or 15W40 motor oil. Do not use hydraulic fluid.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
... [Read Article]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.