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Old 06-07-2014, 12:21 PM
GoPappy GoPappy is online now
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Grasshopper G2 vs. Gemini Transmission

First post here. I'm going to look at a Grasshopper 721d this weekend. I've seen several posts that say the G2 transmission is much superior to the old Gemini transmission. So my questions are:

1. How can I tell if the mower has the Gemini or the G2? Is there a label or some other distinguishing characteristic of either transmission?

2. Should the mower be avoided at all costs if it has the Gemini? I'm not a home mechanic and I have very little free time, so I don't want to buy someone else's problem.

3. Anything else I should be looking for when I look at this machine?
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Old 06-07-2014, 12:41 PM
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I have the Gemini. It isn't miserable unless you have a bagger. I have 2k hrs and I have $400 in parts into the one side. I can take pics of it later from the top. These mowers are cheap to buy used though.
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Old 06-07-2014, 01:06 PM
GoPappy GoPappy is online now
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Thanks. I would VERY MUCH appreciate some pics. I don't need or want a bagger, so that's not an issue for me.

Yes, comparing a used GH front mower to a new one or, even worse, the F-series Kubotas makes me want to buy a used front-mount GH. I've got some steep areas and some pond banks and ditch banks to mow on my property, and that's why I'm thinking a front-mount would be a better choice than a mid-mount.

I don't mind putting a little TLC into a mower. But, being an amateur, I don't want to buy some old broken down abused clunker.
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Old 06-07-2014, 02:01 PM
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How steep you talking? Gh parts are the cheapest I've seen. When I got time I'll post pics and explain everything I've replaced and how long it takes.
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Old 06-07-2014, 02:19 PM
GoPappy GoPappy is online now
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I've never measured the slope on any of it. (Need to get an inclinometer one of these days.) I can mow the slopes on my Deere GT235 garden tractor, although the pucker factor is a little high in places.

With a mid-mount, I wouldn't be worried about turning over, but I'd be concerned about holding it on the hill. I have zero experience on a mid-mount, though, so I'm not sure.

The front mount would also be very convenient for mowing some areas like ditch banks and under tree canopies that I can't get to with my garden tractor.
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Old 06-07-2014, 02:36 PM
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How many acres are you mowing also?
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Old 06-07-2014, 04:39 PM
GoPappy GoPappy is online now
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About 3 acres regularly. But I also bought 30 acres where I have some ditches and a pond that I need to mow around. That's probably another 3-4 acres, but will mow it less often.
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Old 06-08-2014, 12:38 AM
GoPappy GoPappy is online now
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I did some looking around on the internet and found this pic.

Is this what the Gemini drive motors look like from the top? If so, I think that will help me identify which system the one I'm looking at tomorrow has.

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Old 06-08-2014, 12:49 AM
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http://www.the-mower-shop-inc.com/72...eassembly.aspx gemini

http://www.the-mower-shop-inc.com/93..._assembly.aspx G2

your pic is a gemini. Looks like all 721d's had the gemini till 2005. Then they wen't to the T drive which is an awesome setup
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Old 06-08-2014, 09:15 PM
Olympus Olympus is offline
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I have a 321D with Gemini pumps and so far there have not been any issues and I'm at a little over 900 hours on my machine.
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