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I bought a Grasshopper 725K mower new in 2000. In the first 2 hours of use, the air dam underneath the deck snagged and was bent. I wrote the factory and got a prompt call about it. The guy listened very well, but didn't do anything about it, except, of course, to tell me that they now weld the air dam at that spot.

No other problems for a couple of years.

Then the repairs started, most of them dealing with "rough running." The dealer spent hours and hours (and more hours) hunting this down. A lot of "let's examine this" and "let's examine that." They got it repaired and my wallet was much lighter.

Some time later, guess what, "rough running" again. Ended up with a new head gasket and a new carburetor. That was more than irksome on a mower with around 400 hours on the engine. Once again, my wallet was much lighter.

Some time later, silly me, I hit a fence post and punctured the gas tank. Got a factory replacement with a built-in gas gauge. How nice, except the gas gauge fell apart after a couple of months.

All-in-all, when the Grasshopper works, it works well. When it has a problem, it's good to have money in the bank.

I do not recommend Grasshopper mowers.

Location: Wichita, Kansas

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GrasshopperCo
GrasshopperCo

As one commenter mentioned, sounds like engine-related issues (not Grasshopper's issue on those) and after so many hours and/or years, could be reasonable issues to address. Just like cars and boats, at some point, you have to take full ownership of the machine, and that includes necessary repairs and preventative maintenance.

Guest

Gas gage in the gas tank is a big problem. I replaced a gage in the gas cap with a new tank with gage.

It worked for about 5 months.I had to go back to the gage in the tank cap. The gage in the cap works for about a year or so maybe 18 months then it needs to be replaced.My company is using 3 720K mowers.

Guest

Compared to the Cub Cadet zero turn mowers, the grasshoppers have a better blade velocity. The Cubs seem to lack that feature in my opinion.

Guest

where is rhe fuse for the charging system

Guest

What I am reading here are mostly engine complaints. These same engines are used in other brands also.

It's not really a Grasshopper fault. If you run a small engine really hard for a few years, it may need some maintenance.

Guest

I have a 720K that has been thru at least two engines so far. I burned out a 2.3 liter engine on it. I think those engines are underpowered and, more importantly, they need an oil cooler. Regardless of the size of the engine, if it does a certain amount of work, it will generate a certain amount of heat, and since the engine is not water cooled, the oil can get very hot. The Grasshopper guy himself said an oil cooler would be helpful for engine longevity. Well hm why don't they spec that for their OEM engines ...

So at the advice of Grasshopper and a couple dealers, I'm putting on a Kohler 27hp engine. It has an oil cooler. Wish me luck. It's a big beast, heavy and strong, and it makes quite a demand on the engine.

One warning about it from the Grasshopper guy though: if you run that engine hard on hilly terrain you could stress the hydraulic system. Fortunately my area is rather flat, and I don't need to run it flat out, I just want it to run reliably and power the deck without the oil overheating..

Guest

I have a grasshopper 60 inch cut, deisel engine. about 6yrs old.

The hyd. drive on the left side barly moves foward and reverse. right side works perfict. has new hydralics belts and filters on both sides.

no leaks.

Whats up?? I would appreciate any ideas.

Guest
reply icon Replying to comment of Guest-285024

Check your idler arms on ur drive system they may be froze up with out grease or lube.take apart and clean bushing and arm hole and that should help your problem.and also check adjustment on ur dum valve on the wheel motor may need adjusted.

Guest
reply icon Replying to comment of Guest-285024

Lever Positioning

The zero turn mowers to me seem like they have a lot of advantages, but the more we use them , the more we learn about what they can & cannot do.

I've learned from our GH720 that it becomes a habit for some who operate it to be sort of slack about how they position their drive levers. For example, when climbing hills, it gets easy to have the lever slightly off to one side without realizing it, giving the mower the tendency to drift to the right or left (depending on which lever isn't in the 100% position.

My dad was getting very frustrated about how the mower was climbing slopes saying it would only go so far then weaken to the left and stop climbing. So I tried it out one day and didn't have near the amount of problems he was having. I think the main difference was how I positioned the drive levers.

While on an incline, keeping the levers completely together and appropriately forward, it seemed to have solved that problem. When the lever of either side isn't in the 100% position, my guess is it doesn't allow the hydraulic pressure to have the complete strength or control to get the job done...it's sort of like the idea of a dry clutch...if you tend to ride the clutch peddle, it wears out the face of it easier and sooner than it should.

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