I bought my 1997 JD770 last year at 510 hours. A previous owner had the 500 hour service done by a local, independant tractor mechanic a year before I bought it. I noticed that the hydraulic oil was still red and I have since learned that that usually means that is the originial fluid put in...
I had somebody mention to me that to raise the front end of my tractor with the bucket cylinders fully extended (see picture) might bend the bucket cylinders. He suggested that I place the cutting edge of the bucket directly on the ground so that the bucket cylinders are not fully extended.
1...
I purchased a hybrid EA 6900/Compact tractor Post Hole Digger (compact A-frame with 6900 boom pole) with 6" and 9" augers for my John Deere 770. Unit was shipped UPS to my front door. It works great with my tractor.
When I originally called EA about their PHD, Rick in sales recommended either...
I have a 1997 John Deere model 70 loader on my JD770 tractor. One of the boom cylinders (right side) drips hydraulic fluid where the rod enters the cylinder. As far as I can tell, it doesn't drip or leak when I am using the loader (the rod is dry). After I shut the tractor off it drips about...
After the rockshaft lift arms are fully raised they have a free travel. I have the service manual for my JD770 that gives a procedure to adust the amount of free travel. However, the procedure is written for the JD1070 (270-15-17)only and it gives a free travel spec for that tractor of 5-9mm...