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 09-12-2008, 18:43 Post: 156613
ACS035



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 Kubota B2920 - Turf Tires or R4

I've been in the market for a compact utility tractor for some time now. I believe I've settled on the Kubota B2920 with a FEL and MMM. I own 7 acres (5 of which is finished lawn and the rest old farm land). Should I get turf or R4 tires. My worry with turf is that if I need to plow (soil or snow) that thre will be slippage. I know the R4's will do well, but I don't want my lawn tore up when I mow.

BTW, after reading some posts, I am now a little concerned about the MMM. I would prefer the MMM due to better cut they give compared to the 3 pt attachment. Any comments here would also help. I've been looking at so many different size tractors and manufacturers, it's all starting to blend together.

Al






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 09-12-2008, 19:01 Post: 156614
catred57



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 Kubota B2920 - Turf Tires or R4

I have TURF tires on both my Kubotas and if I have any chance of slippage, I put them in 4-wheel drive and drive on. No problem in snow either as long as I use a counterweight. Turf tires don't tear up my 3 Acre lawn like R4 tires would. Turf are my preference.






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 09-13-2008, 20:21 Post: 156646
cutter



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 Kubota B2920 - Turf Tires or R4

I have owned several tractors with both and I prefer the R4. Until recently, I mowed three acres with my MMM as well.

If you intend to do much loader work the MMM is a pain to remove and install by yourself every time where the 3pt is not as bad. Personally, I don't care for the three point unless it is a Bush Hog but then I have a ton of stuff to trim around. Ultimately, I ended up purchasing a zero turn and I use that to mow. Now I have a heated cab on the Kubota and the loader and blade stay on it year round.

As for brands, the NH is the MM deck I liked the best, the downside is that the tractor gave me fits. JD was terrible to keep level and never did cut very well unless the ground was perfectly flat. In the middle of the pack is the Kubota, nice cut but the large caster wheels will dig into soft turf when they "spin". Art White and I spoke about this and he told me that he has fabricated a spring mechanism that relieves some of the deck weight.

If I had all this to do over, I would have purchased the zero turn initially and a used TLB for the other stuff. Just ended up costing me a ton of money to finally end up there.






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 09-14-2008, 07:33 Post: 156650
hardwood

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 Kubota B2920 - Turf Tires or R4

5 acres is a lot of lawn to mow, have you considered some sheep? Just kidding, I can mow about an acre an hour with a JD 345 rider with a 54 in. deck, I don't know how wide of a deck you are considering for the MMM, but from what I've seen you need 60 in. or more to cover the wheel tracks and that seems to be about the limit unless you have a pool table flat yard. So maybe lets look at your situation a bit different. First, there is kind of an upper limit as far as speed when mowing so you likely wouldn't go much faster than I do with the rider, and secondly six more inches of deck won't improve your acres per hour much over my 54 in rider. I agree with you, mid mount decks do a better job of mowing than rear mounts, but they are expensive and a real pain to mount and dismount. As we have been discussing on another thread maybe put the MMM dollars toward a good used rider and avoid the misery of maintaining the MMM. With seven acres to maintain you are most likely going to have a front end loader, box blade, raar blade, etc., so back to your original question on tires. This is my third compact that I now have and all have been on R4's, I demo'd a compact on turfs and just wasn't happy so I stayed with the R4's. There is no perfect tire but In my case where I don't mow front yard with the R4's I feel they do a better job in ground working situations and I've plowed snow for years with them and get along fine. Hope this helps. Frank.






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 09-14-2008, 08:44 Post: 156651
ACS035



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 Kubota B2920 - Turf Tires or R4

Thanks for the info Frank (and others). I currently have a JD GT235 w/ 54" deck. It takes me about 4 hours to cut the 5 acres. Frist, I was hoping I could go a little faster with the 60" MMM to shorten my time, but it sounds like I may not be able too. Second, since I do not have a pole barn yet, I was hoping to just have to store one tractor at this time (plus, my mom could use my JD for her property). The property is basically a flat rectangle, so I am hoping the MMM is OK. I'm starting to think the R4 will be OK as long as I limit the sharp turns and watch it when the lawn gets wet. Not thrilled about all the discussion about it being a pain to dismount, but not wanting to have 2 pieces of equipment now is the driver for that. Thanks again.






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 09-14-2008, 09:40 Post: 156652
auerbach



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 Kubota B2920 - Turf Tires or R4

You want turfs for lawn mowing. I add four chains (and rear blade) for snow work. You could try only front ones at first (cheaper and easier to install), but most of the traction comes from the rears.

With mower off get the dealer to show you how to adjust the belt tension, how to install it, and how to adjust it, including getting maximum ground clearance when full up. Unless you need more clearance for loader work, the heavy mower will give better traction and stability. I do all sorts of loader work with the mower on, just taking care to not catch a blade on a rock or curb.

Not true that the MMM mows better; in fact, being wider, it mows worse on undulating ground. But you can compensate by adjusting the mowing height on the fly (at least on mine). And it makes the rig more manoeverable as there's no rear extension (but you could back a rear mower under an overhang).

The MMM is harder to service when on, to attach/detach, and to store, and it costs more. But I've heavily used my 60-incher for 30 years on more acreage than yours. It's rugged. Total maintenance: belts every 5-odd years, one of the three spindles replaced (shouldn't have loaned out my grease gun), and a set of blades. Come fall I haul it up for storage on a chain hoist, clean it right away after removing the blades for sharpening, oil-spray the under-surface (tried coating with "slippery" graphite paint but made no difference) and grease the PTO shaft.

You grease the spindle zerks about every 8 hrs of use. It's a slight reach to get the center one, but the outside ones are easy. If you have only two hands you'll want a pump-handle grease gun with a swivel at the end, or an air-powered with flexible hose. And squirt the zerks at both ends of the shaft a few times during the season.






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 09-14-2008, 10:13 Post: 156653
kwschumm



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 Kubota B2920 - Turf Tires or R4

Sometimes I take heat for this opinion but I don't think R4s have any place on a compact tractor unless it's time is spent exclusively on hard surfaces. The shallow treads plug easily with sticky mud and snow and they don't have enough purchase to work in powdery soil conditions. To make matters worse the sidewalls are so stiff that if you mow five acres with those things your brain won't stop bouncing off the inside of your skull for a month. I'd say go with the turfs and buy a set of chains if needed.






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 09-14-2008, 11:39 Post: 156657
hardwood

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 Kubota B2920 - Turf Tires or R4

KW; My brain is pretty well shot so it must be from the R4's. Seriously now, the reasons I rejected the turfs were one, for that very reason they were soft and just didn't give me a stable feeling when doing loader work, and secondly at least in my soil types if there was any mud, or even wet grass at all you were stuck instantly. The R4's are not as good as R1's (ag tread) in mud or snow but I've always felt they were the best compromise for my situation. One of our 345 Deere rider mowers came from the factory with R1 Ag tread tires, the only one I've ever saw with them. The other one identical in every other way has turfs. The 345 is a much lighter machine than a compact, but I've never been able to distingish which mower went where on the lawn even in wet conditions. Frank.






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 09-14-2008, 12:43 Post: 156658
auerbach



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 Kubota B2920 - Turf Tires or R4

You're right, Hardwood, but after I put liquid ballast in my rear turfs, and increased the pressure in all four, I found them solid enough to handle loader work.






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 09-15-2008, 07:58 Post: 156663
kthompson



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 Kubota B2920 - Turf Tires or R4

A few years ago we purchased a Case (larger tractor than being talked about here) that came with I think Goodyear Radials. Those were some of the best traction tires I have ever used. At same time that 7,000 pound tractor or so was used to cut 3 lawns and due to the design of the lugs or rather lack of lugs they were great. The pattern looked like a mix of ag tire and turf tire. They were ag tires. So there may be an option you that would suit you that may require the help of the dealership in swapping them. kt






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