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Bobcat S300 2004 problem / question

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Bobcat S300 2004 problem / question

Old 01-06-2017, 05:06 PM
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Default Bobcat S300 2004 problem / question

Lots of guys in this forum so wanted to give this a shot. Looking to buy this skid steer Monday only issue that recently popped up with it is once front main bucket arms are raised any amount when they are attempted to be lowered the engine is killed. Need to know what might cause this by Monday if possible so I know how much it may cost to fix or if it's just a sensor etc. any ideas? About 900 hours on it. Thanks
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Old 01-06-2017, 05:16 PM
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You better get all the relays and sensors and filters and diagnoses done with a tech . Any hydro machine is tons of maintenance and all other problems
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Old 01-06-2017, 06:15 PM
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Fuel issue
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Old 01-06-2017, 06:48 PM
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wish i could help. had several bobcat's over the years (since retired) but never was much of a mechanic, always just called their service dept.
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Old 01-06-2017, 06:54 PM
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Sounds like the lowering circuit of the arm valve is damaged. It is clogging the return when lowering is activated and stalling engine.

If I remember the arm system is open center. If return oil stops flowing it will stall engine.

Those valves are a couple hundred bucks and can be a pain to change.
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Old 01-06-2017, 06:54 PM
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Runs fine, drives fine, lifts fine, but dies lowering?

Almost had to be an electric over hydraulic valve bad or an associated relay. What are the hours in the machine, and how has it spent its life to date? I don't care how good it looks, I would touch a machine previously owned by a concrete or demo company. A grading contractor will run them hard, but generally keep up with service.

Landscapers, plumbers, electrical guys will all tend to abuse them a bit more (less skilled operators typically) and neglect service to a degree, but will use them more sporadically.
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Old 01-06-2017, 07:41 PM
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If you are getting a good deal on it use the issue to get an even better deal. 900 hours on a 12 year old machine is great. Dollars to donuts its a safety sensor.
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Old 01-06-2017, 08:06 PM
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Originally Posted by autobaun70 View Post
Runs fine, drives fine, lifts fine, but dies lowering?

Almost had to be an electric over hydraulic valve bad or an associated relay. What are the hours in the machine, and how has it spent its life to date? I don't care how good it looks, I would touch a machine previously owned by a concrete or demo company. A grading contractor will run them hard, but generally keep up with service.

Landscapers, plumbers, electrical guys will all tend to abuse them a bit more (less skilled operators typically) and neglect service to a degree, but will use them more sporadically.
I do not know anyone that doesn't abuse any construction equipment.

Appearance and hours is all you can go by really.
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Old 01-07-2017, 05:52 AM
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I have seen bent pistons from diggers hitting truck body's. There should be an emergency release valve on the right side of the seat. It lets the bucket down. Open it. If the bucked comes down properly then the pistons and arms are not bent. That will eliminate the frame.
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Old 01-07-2017, 05:56 AM
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I just bought 2 machines . A 2005 s165 . It was used to push salt so it's rough but still runs great 3,500 hrs for $5000. And a s175 2011 with 950 hours great condition for $18,000. That might give you an idea of price
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Old 01-07-2017, 06:36 AM
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Here's another. 2008 T190 760 hours I purchased for $20k this summer. Missing door but had working Heat/AC BOBTATCH.
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Old 01-07-2017, 05:41 PM
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Originally Posted by fireisland1 View Post
I have seen bent pistons from diggers hitting truck body's. There should be an emergency release valve on the right side of the seat. It lets the bucket down. Open it. If the bucked comes down properly then the pistons and arms are not bent. That will eliminate the frame.
Yes opening this valve let's the bucket down no problem.
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Old 01-07-2017, 05:55 PM
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Well here is the deal. Old man probably in later 70s owned some acreage. Bought the S300 about 8 years ago used but almost new condition low usage. Has air conditioning, high flow system etc all the options. He has owned it for last 8 years and used it personally. He was a welder for long time and made the forks and other attachments for it. The forks are off big forklift and are built better than what you can buy. Has the hydraulic automatic bucket release system too. He seems like an honest old timer shot the breeze for a while with him seems to say what he thinks no BS. He said the problem just started recently and says he will fix it and sell to me cash (as in green cash) with the bucket and the forks too for 19k. Or if I want to pay first and gamble with the dice he says should be just a switch or sensor he will take off a grand and it's mine for 18k. It's probably been ran lighter than most of these used ones a business has owned and ran the piss out of. I've seen ones with 4000 hours on them being sold used, so <900 on this one seems in its prime still. It has a kubota Diesel engine starts right up and purs. I really want to get a service tech to look at it Monday I have till 5pm he is holding for me. Not sure I can pull that off same day I call in service place is an hour drive out. All the issues I've been told it should be are less than a grand to fix so I'm not too concerned except the one friend of mine who has a ranch says if it has a problem don't buy it because they had similar issue on theirs and it been thousands of dollars in service work and it ain't fixed yet. So.... doing my homework before I drop 18k Monday and take it with the problem.....
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Old 01-07-2017, 06:00 PM
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have him fix and pay the 19k
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Old 01-07-2017, 06:04 PM
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Originally Posted by hog guts View Post
Well here is the deal. Old man probably in later 70s owned some acreage. Bought the S300 about 8 years ago used but almost new condition low usage. Has air conditioning, high flow system etc all the options. He has owned it for last 8 years and used it personally. He was a welder for long time and made the forks and other attachments for it. The forks are off big forklift and are built better than what you can buy. Has the hydraulic automatic bucket release system too. He seems like an honest old timer shot the breeze for a while with him seems to say what he thinks no BS. He said the problem just started recently and says he will fix it and sell to me cash (as in green cash) with the bucket and the forks too for 19k. Or if I want to pay first and gamble with the dice he says should be just a switch or sensor he will take off a grand and it's mine for 18k. It's probably been ran lighter than most of these used ones a business has owned and ran the piss out of. I've seen ones with 4000 hours on them being sold used, so <900 on this one seems in its prime still. It has a kubota Diesel engine starts right up and purs. I really want to get a service tech to look at it Monday I have till 5pm he is holding for me. Not sure I can pull that off same day I call in service place is an hour drive out. All the issues I've been told it should be are less than a grand to fix so I'm not too concerned except the one friend of mine who has a ranch says if it has a problem don't buy it because they had similar issue on theirs and it been thousands of dollars in service work and it ain't fixed yet. So.... doing my homework before I drop 18k Monday and take it with the problem.....
why take the gamble, 1,000 bucks on a 20k machine. For my money I'd tell him to get it fixed and call me and I'll be there with 19k.

Running used equipment with issues you don't know about coming up is a big enough headache, why add to it?
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Old 01-07-2017, 06:07 PM
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Have him fix and pay the 19k, that is the way to go for sure.

You will know your max payout then, otherwise its a crap shoot!
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Old 01-07-2017, 07:22 PM
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I have owned more then a few machines. I have learned to buy problem free machines. Much easier to keep up with
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