jm.,,I can't spin a hydro unit,,I made this to deal with only closed center systems,steer valves,SCV's,power brakes and Pumps,,I have a jack shaft with a 4020 pump mounted on one end that can be disconnected, I bored that shaft and plug welded the splinned end of a pump shaft into it,, a diverter valve that will send charge oil and pressure oil to and from ether end of the shaft,,on the end opposite of the mounted pump I have a fixture to mount a pump to test,,at that point I disconect the permanent pump..shift the diverter valve to the pump to test and let it supply the test stand for that flow/pressure test,,I spin the jack shaft with a 30HP motor and have it belted to spin the jack shaft at 2100 RPM,to simulate a tractor running full throttle,, I have a charge pump mounted to the end of the motor. When not testing a pump i shift the permanent pump back onto the jack shaft and shift the diverter valve to send charge oil back to it,,then that pump supplys the test bench to test other components by plugging into the manifold on the bench,,a pressure port on the left end,,2 ports to a steer motor ,,then 2 ports to a 8X2 cylinder, then 2 ports to 2 gauges to test a brake valve, the the last one on the right end is return oil..I mounted an oil cooler of an old combine Hydro static,,there is no fan on it but I could add one if needed,,so far I have not needed to run a fan
Upload one or more videos to your post. Photo filesizes should be less than 300K and Videos, less than 2MB. Formats allowed are gif, jpg, png, ogg, mp4, mov, and avi. Be sure to use filenames without spaces or special characters, and filetypes of 3 digits lower case.
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 - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[More Ads]
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.
