A couple of years ago I bought a 300B backhoe. It had been sitting in the guys pasture for 2-3 years. We dragged it back to the shop and tried to start it. No luck. So I did a compression check...

Could anyone on the forum help me out with a wiring diagram for my 79 300B back hoe? Its a diesel (not gas)

The tractor recently refuses to run. It started off staying running for only about a minute and cant throttle or anything. Then it would stall out. Now it will not run at all. Changed fuel filter...

Hello to all, I have a 1983 JD300B with 3pt hitch that will lift implements but will often need to be jerked or manually helped to do so. I looked through the Hydraulic fill cap hole and can see...

Where could I find this hose, or what could i use? I can not seem to find low pressure hydraulic lines and I do not want to leave my system drained for days. Thanks!

Hi, I am new here, at least as a member. Have been following this site for years and it has been very educational and there is a lot of knowledge base. My issue again is with the hydraulics of a...

Searching for information for a friend. Looking for a manual for a 300B specifically how to replace the transmission filters. He took them off and doesn't know the order to replace the screws and...

Im having intermediate loss of hyd pressure for the loader and hoe. Cleaned suction screen, changed fluid. I understand the Pressure Control Valve (AR65882) can cause my problem and have removed...

Hello all !!! Last month I bought a 70's vintage John Deere 300b tractor with a loader and a cab. After 1/2 hour of using it, the hydraulics start to shutter. If I let it rest for 10 min it...

I have a 300b john deere that has always seemed to have a slow loader, boom up and tilt atleast. I have noticed that the first time I start it after its been sitting for a couple days if I raise...

I just got a 70's model john deere 300b backhoe. what type of hydraulic fluid should I run it it. I can find any info out through the dealer. thanks

Hello everyone. I am new member who could use some advice. I have a 1972 JD 300b backhoe diesel that has a starting issue. When it sits for a day or so it starts right up after running it if I...

I have a 1980 john deere 300b that buns oil. It is a 3 cylinder diesel..... Why is this so

I have a 1980 john deere 300b that burns oil....why is this so?

Hi I have a 1980 john deere 300b backhoe/loader. The hydraulics only work at full rpm and are somewhat slow.....I was told the pump sounded good. I am lost and need some help figuring out why the...

Hi I have a 1980 john deere 300b backhoe/loader. The hydraulics only work at full rpm and are somewhat slow.....I was told the pump sounded good. I am lost and need some help figuring out why the...

Hi I have a 1980 john deere 300b backhoe/loader. The hydraulics only work at full rpm and are somewhat slow.....I was told the pump sounded good. I am lost and need some help figuring out why the...

Has anyone found a good source for loader pins for a 1974 John Deere 300D Industrial tractor? I have a part number out of the manual but nothing comes up when Goggled. Mine are shot. Thanks.#...

My father-in-law just bought a old John Deere 300B backhoe/loader, he figures its a 70's vintage. Interestingly enough it might even be one he helped build when he was at John Deere Dubuque Works...

Deleted this one 'cause my clumsy thumbs inadvertently published the thread before finishing editing. Moderator, I couldn't figure how to delete this thread, would appreciate if you would do so.

john deere 300b back hoe has no functions wont even travel -------------------------------------------------------------------------------- any help will be great just got this hoe the...

any help will be great just got this hoe the previous owner said hydr functions and the tranmission fwd and rev quit at one time had a vibration and lost all function still starts and runs...

Have recently inherited an older JD300B w/ loader, no backhoe but does have 3 pt hitch. When running, I can hear a noise from the hyd pump in the front when NOT under load. I'm not a mechanic so...

I was on the other day asking about these hydra. issuse I have. Somone said to see if any valves are getting hot. The line and valve going to the front bucket gets alittle warm the rest are cold...

I am a new member on this forum. I own a 1970 300B John Deere. Last week, the front axle broke off where the kingpin joins into the axle. I can't seem to find an axle for it in South Africa...