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| Tucker Terra 2000 Hydraulics question; can anybody tell me about this | |
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| Tweet Topic Started: Nov 19 2012, 02:11 PM (1,425 Views) | |
| vtg | Nov 19 2012, 02:11 PM Post #1 |
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Our club purchased a Tucker Terra 2000 a couple years ago. I believe it is a 2005 model. We really like it in most every respect however the hydraulics leave something to be desired. The engine idles at around 800 RPM which feels about right but you need to rev it up to around 1000-11000 RPM to get any action out of the hydraulic system. This is a major inconvenience for doing any fine work with the front blade as one would when going really slow to carefully fill in a hole in the trail. Oftentimes we need to stop and slip the tranny into nuetral and rev the engine up to lower and raise the blade in such situations. The place that sold us the machine claims this is normal.......but our old 1988 Tucker's hydraulics worked perfectly fine at a dead idle. Anyone have a Tucker with the same problem? Any idea what could be done about it? Raising the idle speed isn't an option since it already starts moving when you slip it into gear with the idle set the way it is. |
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| vtg | Nov 19 2012, 02:13 PM Post #2 |
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I should add that we have changed the hydraulic fluid and the filter with no improvement. |
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| e2spear | Nov 19 2012, 02:34 PM Post #3 |
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Need to check the pressure and flow of your pump. Sounds worn. |
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| 600SDI | Nov 19 2012, 03:46 PM Post #4 |
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Our '04 had slow hydraulics, I was told that somewhere after that ('06 or '07?) the factory changed to a pump that worked bettar at idle. Our '08 has much faster hydraulics, so fast that there are factory installed needle valves on the blade cylinders to slow things down a bit. Rear hydrailics are still crazy fast....anyone know how to slow them down without adding a bunch of valves to the drag??? |
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| RJ85MSP | Nov 19 2012, 04:12 PM Post #5 |
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2005 was the change over year. Does your system have electronics or the old style t-handle and levers? Either way it's really down to RPM with that style vickers pump. In 2005 Tucker used the standard vickers hydraulic pump which is dependant on engine rpm for flow and performance. The electric over hydraulic set up that came in this model era Tuckers were slow in lifting the front blade without a bit of rpm. Greater than 1100rpm usually. This is normal. A couple things to try is to open up the flow restrictor on the blade lift cylinder. Sometimes those are pretty restricted, they are meant for one direction only but it does make a bit of difference. Play around with the settings and come up with your sweet spot for ok up performance with controlled down performance. Does your steering and rear implements appear to work fine or without headache, if they do it is a good indication of ok hydraulic pump performance. Most of our drivers when we had the 2005 Tucker we used 2nd gear when doing ditch work or filling in things to keep the rpms a bit higher at a given speed to do the work. It seemed to be the best solution for those times. Even 1st if need be. |
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| vtg | Nov 19 2012, 08:30 PM Post #6 |
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Thanks very much everyone, for all the input. Our 2005 does have the electric over hydraulic system so I guess our hydraulics are working the way they are supposed to.......but my gosh, is that ever a stupid set up. I'll try adjusting the flow restricters on the blade cylinders but I think the other guys tried that last season with no real improvement. Also will try using low gears when doing blade work as that will probably help alot. Is it possible to update the pump to one of the newer designs? And if so, any idea as to the costs involved? |
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| RJ85MSP | Nov 20 2012, 08:51 PM Post #7 |
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It would be costly, ball park would be in the neighborhood of $1500-2500 minimum? I never priced one out when I was service mgr, most just lived with it as unfortunate. Bigger tank, pump and plumbing. Each generation of vehicle just got that little bit better to where they are now with a very well rounded setup that folks love once they get behind the controls. The vane type pump prior to 07 just has its limitations. |
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| vtg | Nov 21 2012, 12:38 PM Post #8 |
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Thanks for the info, RJ. I guess we'll just try to live with the problem for this year as we have been talking about possibly trading the machine in next year for either a brand new one or one that is only a a year or two old. It's nice to know that the hydraulics have improved in the newer versions. |
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| RJ85MSP | Nov 21 2012, 05:57 PM Post #9 |
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Try to get 2008+ if you can. That way you get the new load sense hydraulics that are still the current issue, the Tier 3 motor which does suck a bit more fuel than the Tier 2 it replaced but it's sooo much quieter and cleaner with longer intervals on oil changes and fuel filter changes. Our club may be in the very same position. We need to get possibly a 2nd unit due to increased mileage of trails. Thankfully we are fortunate to have a 2011 currently. |
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| vtg | Nov 25 2012, 12:49 PM Post #10 |
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Thanks again, RJ. We'll see how this season goes and if we get enough miles on the Terra to qualify for the max trail grooming payment from our provincial snowmobile club, we'll likely be looking at a 2010 or newer Tucker for next year. Aside from this hydraulic glitch, we absolutely love our 2005 model. |
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| 600SDI | Nov 27 2012, 10:56 AM Post #11 |
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Anyone know how to slow them down on an '08? |
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| RJ85MSP | Nov 27 2012, 02:09 PM Post #12 |
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1) You can have your dealer do it through the computer. 2) You could add flow restrictors to the rear circuits or turn the ones on the blade in a bit. They have a set screw, so don't reef on them. Adds heat and noise and isn't the best way. 3) Learning the joystick is the most effective and widely universal way between your drivers. Rolling into the slider switches for the rear controls is the best way. Don't stab them or bump them, just roll your thumb up and down. You'll soon be a pro and have some nice trails to deal with. Same with the blade, slowly roll into it. Most operators think they are quick compared to the previous stuff but after a few hours love it due to how fine of control you have from slow to fast. Our club would like to speed up the rear but we are already maxed out on the program in the computer for the rear wheels. |
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| mt-adams | Dec 24 2012, 12:13 AM Post #13 |
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It sound like the same problem I had with 2006 snow cat It was 2 thing spool valve and a load lock problem also it could be Magnet on the spool valve are weak Does the blade lack lifting power? Does your other hydraulic have lifting move mint and speed? Are you Drager cat or a tiller cat? |
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