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Implement Alley Discussion Forum

Preventing Roll-over Thoughts

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txblu

06-01-2004 09:32:07




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Bought this pristeen MF 35, pristeen as it is all original but an overhaul isn't too far down the road; nice paint/tin, but not professional. I like the Perkins 3 cyl Diesel.

Bought a Service-Rhino 5 ft mower today and want to use this combination to do my mowing. Seems every plade I have to mow is full of obstructions or ditches, or mounds and all the stuff that drives you nuts with a big rig.

I want to mow my pond's dam which was built with a 1/3 pitch. To fit the 5' mower, the tires are all the way in (60" outside).

I am aware of the "rollover box" associated with your tractor, but on that small of a tractor, 250# of body weight can be shifted to the up-hill side and now the question.

The mower is on the ground and is 3pt and as wide as the tractor footprint. The mower is not going to roll over (initiate the action). With the 3 pt connected to the 800# mower, it would have to lift the mower to go over which is "lifting pressure" on the hyd system. Seems this is a pretty good safety valve for those without rops.

Looking for your experiences and Ideas you wouldn't mind sharing. Rops is not in the equation as it gets in the way of low hanging trees. Can't even use a vertical exhaust.
Thanks,

Mark

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Steve

06-14-2004 00:48:38




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 Re: Preventing Roll-over Thoughts in reply to txblu, 06-01-2004 09:32:07  
Cut the low limbs, get ROPS and a seat belt. Stay off of steep slopes or get lots of life insurance. You can make me the benificary. Always put safety first. Now days when you are thinning the herd it seems that litagation lawyers always try to make hard on the rest of us. Steve



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Don-WI

06-01-2004 21:03:11




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 Re: Preventing Roll-over Thoughts in reply to txblu, 06-01-2004 09:32:07  
Around here, the ditch cutters only weight the uphill side of the tractor, and full sets on the front. They also have them as wide as possible, sometimes wider than the mower. They also have side mounted ones. A side mounted + a rear 3pt. mower can really do some work, when county gets to it anyway. I would almost condsider a rider for a steep hil and weight that down really good. We have a JD 425 w/ a 60" deck, works good on dry slopes. Slips though if the grass is too long and wet, but it's not weighted and has turf tires. Donovan from Wisconsin

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txblu

06-02-2004 06:36:05




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 Re: Re: Preventing Roll-over Thoughts in reply to Don-WI, 06-01-2004 21:03:11  
Are your rears 60" outside to outside?

What is the angle of your slope?

I usually cut in the afternoon when the dew is off the grass but the back of the dam sometimes is wet from seepage but there is a thick cover of grass and I have ag tires.

Thanks,

Mark

Speaking of the county boys, we have black locus here and they have big thorns. When the county does the road you have to look out as those suckers growing on the roadside are now in the road and they punch your tire right in the sidewall where it can't be fixed. Yuck!

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Don-Wi

06-02-2004 20:56:10




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 Re: Re: Re: Preventing Roll-over Thoughts in reply to txblu, 06-02-2004 06:36:05  
The 425 is a rider, don't know the wheel base but it's not too wide. Our land is flat so I feel uncomfortable on a slope long before the tractor would actually go over. Some slopes are maybe 30 deg. or so, we only get them with the rider. We have some of that thorny crap in our fence row, once in a while we go in there with a chain saw and burn it. Now we have development on all sides so they clean up the fence row now and make it a little easier for us.
Donovan from Wisconsin

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txblu

06-03-2004 05:57:18




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 Re: Re: Re: Re: Preventing Roll-over Thoughts in reply to Don-Wi, 06-02-2004 20:56:10  
About 30 degrees is what I estimate my slopes to be.

Thanks,

Mark



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Bob Jarvis

06-03-2004 06:41:41




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 Re: Re: Re: Re: Re: Preventing Roll-over Thoughts in reply to txblu, 06-03-2004 05:57:18  
You said earlier that your dam was built with "1/3 pitch". If that means "one foot of rise for every 3 feet of run" then the slope would be about 18.5 degrees. If it's actually a 30 degree slope I think you'd be best off not mowing it with your tractor. With the wheels set five feet apart I think you'd already be pretty near the tip-over angle - it's tough to say exactly where that would be, but if the CG is about 2-1/2 feet off the ground your tip-over angle would be around 41 or 42 degrees. Too close to chance it for my tastes, but your mileage may vary. I've got a dam too and won't take my Ford 3000 anywhere near it. I mow it with the lawn tractor, only going up and down (not side-to-side) and I'm *real* careful every time I have to turn downslope. If you mow with the Massey you should at least spread the wheels out as far as they'll go, even if that means your mower won't cover the wheelspread. Better to miss a few blades of grass than flip the tractor. How far apart can you set the wheels (fronts and rears) on that tractor? Just curious.

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txblu

06-04-2004 05:47:23




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 Re: Re: Re: Re: Re: Re: Preventing Roll-over Thoug in reply to Bob Jarvis, 06-03-2004 06:41:41  
I didn't calculate the angle but it is steeper than I would like.

Funny you mention lawn mower. I thought about this problem for awhile and even bought 2 shredders to do the job and used my 3000 with wheel outers at 72" and water mix in the tires for low CG. It worked ok but at the top, there are some irregularities that I always wind up scalping.

So I bought a new lawn mower this year for the yard and now use the old one as you do. Makes a nice machine and have no worry about tipover as long as I keep the grass down. I usually slide over in the seat where my body is about straddle the wheel on the uphill side. Course when coming back the other way, the shift lever is in the way; makes for hard sitting. (Grin)

I really wanted to make the MF 35 "the mower", but I want to use the 5' shredder and do not want the tires outside; kinda limits me. So, if the lawn mower won't do it, I guess I have to get out the 3000 and hook up a shredder.

Thanks,

Mark

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TH

06-02-2004 19:27:30




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 Re: Re: Re: Preventing Roll-over Thoughts in reply to txblu, 06-02-2004 06:36:05  
If you have the weight of the mower 'hanging' off the back with the lift then you have an 800 lb imbalance with the front of the tractor. This equals a lighter front end and the "potential" for traction loss/slippage which could cause the nose to rotate downhill and start a rolling moment. The good news is that the MF 35/135 is one of the best hillside tractors going. First-Low is the best speed for steeper grades.

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txblu

06-03-2004 05:58:51




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 Re: Re: Re: Re: Preventing Roll-over Thoughts in reply to TH, 06-02-2004 19:27:30  
10-4 on the lifting moment but I think if I were going over, I would deliberately want to point the nose down so that could work in my favor.

Thanks,

Mark



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JD dozer mike

06-02-2004 20:20:45




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 Re: Re: Re: Re: Preventing Roll-over Thoughts in reply to TH, 06-02-2004 19:27:30  
Bush hog is the most known impliment around here for having a rolover.
if you can back up the embankment it is best, i have done this many times as my farm is all hill side. I also mow betwean xmas trees , using your brakes to steer at the end of a run works well. DO NOT DO IT ON A SIDE HILL THOUGH! as this usually pitches the mower to the lower side of slope and can take you for a ride. Never go down a hill at an angle . always go up and down or across , (reason) the povot action of front axle can cause rear upper wheel to come off ground and flip tractor.
also remember that even though the mower is on the ground , if it hits a rock/stump etc. it will jump and rock and cause an all around rucus , which could upset the tractor too. Be careful with that pond , if you roll into it just think what would happen if you are stuck under your tractor ,,,not pretty....

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txblu

06-03-2004 06:00:52




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 Re: Re: Re: Re: Re: Preventing Roll-over Thoughts in reply to JD dozer mike, 06-02-2004 20:20:45  
Thanks for the comments. Being a dozer man you should know. Dozers can do wonders in building a pond. Amazing how many cu.yds. of dirt they can move in such a short time.

Mark



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JD-A

06-10-2004 18:14:13




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 Re: Re: Re: Re: Re: Re: Preventing Roll-over Thoug in reply to txblu, 06-03-2004 06:00:52  
Ride the uphill break a little as you mow across the slope, this swings the front end uphill, and seems to help keep you on the slope. Slopes and berms were scary at first, we even mow the slopes under the overpasses to keep the road shoulders lookin' right.



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