Atypical install for Summit front/rear kit FR2-K4

trikepilot

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Equipment
B2620HSD w/ LA364 & BH65, 48SQ Bush Hog, LandPride RB1560, Woods 5ft Box Blade,
Jul 18, 2020
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Hardy, VA
I am trying to ascertain the feasibility of a planned install for the Summit FR2-K4 onto my Kubota B2620 TLB. I have read and re-read Summits website for this model and I have also emailed and called Summit but I still cannot get an unequivocal answer. So I am hoping the OTT hydraulics sages can answer my question. The end goal is to get a rear hydraulic top link and a front third function for a snow blade. And finally... I am a light user - a hobbyist. I do not need a super HD solution.

My tractor already has a female supply and a male return hose at the rear of the tractor that plug into the backhoe when it is mounted to the rear subframe. When the BH is off and I am using the 3pt arms, these two lines plug into each other thus completing the loop for the hydraulic fluid.

I cannot use the BH and any rear attachments at the same time since the 3pt arms are removed for BH installation. I also will only likely use the FEL on the front loader arms when the BH is mounted as they are complementary tools. So this means that when the BH is being used, I do not need the Summit valve block to be operational.

What I am trying to determine and can't quite seem to get a definitive yes/no answer on from Summit is... can I simply plumb the Summit valve block with the supply and return lines I already have when the BH is off? Yes... I know I will have to unplug the supply/return lines from the valve block and attach them to the BH to be able to use it. And then I will have to reverse those steps once the BH is off.

Summit keeps wanting me to plumb their system into the tractor's hydraulics in series so that the front third function, the rear top cylinder, AND thr BH are all powered simultaneously. This will require alot more plumbing work and provides and operability status that I simply don't need.

I am pretty sure that the valve block from Summit is fluid agnostic- ie: it neither knows nor cares where the fluid is coming from and going to - only that adequate flow is there. So in my naive mind, I see using the existing supply/return lines I already have as the easy way to get what I want with minimal fuss and clutter.

Also... has anyone installed a similar system and only used the switches on the joystick? I don't need an extra set of momentary switches back by the seat to get in the way or be broken. My plan is to install with ONLY the joystick switches - one pair of buttons adjusts front blade right/left and the other pair tilts a rear blade up/down.

And lastly, the hydraulic rear top link... I can order from Summit with my kit but they are expensive and the shipping is crippling. For my meager uses, can I get by with a lesser branded top link from an online vendor like vevor?

Many thanks- TP
 

North Idaho Wolfman

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Let's clear up one detail, because in a lot of situations this really matters because there are 2 different units.

You have a B2620HSD with a loader and a backhoe
You do not have a TLB
Look at a B26TLB and you'll see the difference, physically its only slightly different but plumbing wise they do not compare.
 

Russell King

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L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
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See this thread that may help answer your questions.

If you put the rear remotes in series BEFORE the BH valve you would be able to operate a hydraulic thumb on your BH.
 

trikepilot

Member

Equipment
B2620HSD w/ LA364 & BH65, 48SQ Bush Hog, LandPride RB1560, Woods 5ft Box Blade,
Jul 18, 2020
31
29
18
Hardy, VA
See this thread that may help answer your questions.

If you put the rear remotes in series BEFORE the BH valve you would be able to operate a hydraulic thumb on your BH.
Thanks for that link. I pm'd the OP for that link as he was headed down the same path I am on.

I have a thumb on my BH but still only one supply and one return line. I am NOT interested in setting up my system in series. I do not need to run all three at a time. I don't even need to run 2 of the 3 at a time.
 

Russell King

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L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
Jun 17, 2012
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Austin, Texas
As I understand it you can do what you say:
Mount the rear remote valves and run the tank return line back to the tractor sump. Then connect the backhoe power line to the remote valve power in. Then there must be a power beyond sleeve in the remote valve that connects to the backhoe return line.