JDcrawlers Messageboard

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Hey all, Putting my JD 455G up for sale. I had posted on here a while back about some issues I was having with it, so feel free to dig those threads up. I haven't done any further work to it. Description below. Up for sale is a 1979 (I think) John Deere 455G crawler loader. I bought this from the or...

Hey guys, back for more advice. Need to rebuild the track tensioning cylinders on both sides of the crawler. Have the kits in hand, but not sure how best to break the tracks. Two issues - 1) The tech manual says the master pin has a dimple on it. But almost all my pins have dimples. I think i found ...

But, detergents will foam in a hydraulic application as the oil goes thru the valves. Foaming results in tiny bubbles in the oil and then pressure is slowly lost as it is used. It de-foams when it sits for a bit. Guys - thanks so much for the discourse here. It’s all super helpful. What I quoted fr...

Got it. Thanks for the advice guys. I intended to use 15w40 per the chart in the operators manual. But if i do replace i’ll bite the bullet and use Hyguard.

hey guys. my 455g probably has about 100 hours on the transmission fluid. but probably 3 yrs old. troubleshooting some drive problems in another thread, and i think i need to dump the trans fluid to clean the sump screen. possible to empty the fluid and reuse? i’m hesitant to spend the 300$ on 27gal...

Thanks for the reply Jim B. I was talking about the spin filter which I did today with no change. i’m thinking i need to dump the trans fluid and check the sump screen. still not sure how it makes sense that it gets worse once it heats up. i also noticed a slow hyrdo leak up front under the radiator...

Hey guys, lurking here for a bit doing some reading. I have a 455G (79?). Hoping to get some insight into a problem I'm having... Yesterday after about an hour of working (stump removal, forward and reverse) the transmission stopped engaging after shifting. It was gradual - over the hour I noticed a...