JDcrawlers Messageboard

Somewhere in this messageboard it was said that synthetic 15W40 fluid ( Amsoil ? ) will not collect any water. I theororize that if I still have milky fluid in the lines and maybe the trany/steering clutch cooler, that if I use Amsoil it will not turn milky again. The water can be drained off via th...

How can I determine if it has an open or closed center hydraulic system? I have all the manuals for it. Thanks, Frank

All the fluids are drained but there is still fluid in the lines going to the trany / steering clutch filter in front of the radiator. Since the fluid is milky from condensation, how do I drain the lines? Compressed air? Or.............Thanks, Frank

If I can figure a way to post the sheets from the manual, just to back my previous posts......Thanks, Frank

Let me clarify the above statement that I had just written is for the transmission-steering clutches and hydraulic system oil and the final drive. Also the engine except, in the case of the engine use Torq-Gard Supreme instead of Hy-Gard. Thanks, Frank

I just referenced the manual again and it does say one of the following: SAE 15W40 between -4 to 122 degrees, Engine oil meeting API Service CD/SC ( Mil-L-2104C ), CC/SC, or MIL-L-46152 and T02 oil test. John Deere HY-Gard Transmission and Hydraulic Oils. So, does this mean I can use regular diesel ...

Hello again. For my 1984 John Deere 455D it reads in my owners manual to use 15W40 in the engine, transmission, hydraulic system and both steering clutches. Since 1984, oil quality has increased by leeps and bounds. Can I safetly assume that an inexpensive oil today like NAPA Premium Fleet Service 1...

I've been lurking at this website for a while and decided to join recently. I just purchased a 1984 John deere 455D with a 4 in 1 bucket. It sat for 6 to 7 years but fired up great and runs tight. I'm changing all the fluids before any use. It had the rear backhoe from the factory but somehow disapp...