Tractor Weight: Kubota Review  -- Kubota Tractors Discussion Forum and Review Tractor Weight: Kubota Review -- Kubota Tractors Discussion Forum

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 12-28-2001, 16:05 Post: 34114
D.Hunt
2001-12-28 16:05:50
Post: 34114
 Tractor Weight

Why do the Kubota tractors weigh so much less than New Holland, Case, and John Deere? I am comparing tractors of the same power rating and it seems that the Kubota always has less weight. Please respond as the Dealer here has no idea. TIA






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 12-28-2001, 17:52 Post: 34115
Bird Senter

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 Tractor Weight

D. Hunt, there's been lots of discussion about that, but I'm not sure anyone has come up with a positive answer that they've checked for accuracy. One "theory" I've heard is that the others give a tractor "curb" weight; i.e., ready to use, while Kubota gives a "crated" weight that does not include tires wheels, ROPS, etc. that the dealer installs. And since I, too, have never weighed my tractor, I had no idea if there's anything to that theory.






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 12-30-2001, 20:06 Post: 34142
JohnInCA
2001-12-30 00:00:00
Post: 34142
 Tractor Weight

Take a good look at the two tractors, and it is fairly obvious that the NH weighs more. The transmission, axles, etc., are quite a bit larger on NH than the Kubota.






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 12-31-2001, 15:08 Post: 34162
cutter



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 Tractor Weight

Yes the N/H does have larger castings etc..it is a bit larger machine. But don't forget the difference in build technics, the Kubota has a steel frame as a backbone and the others are built as a conventional tractor with castings bolted from one component to the next as the backbone. Which is better?? I don't know, but it explains a great deal of the weight difference along with the other item Bird mentioned. Personally, I like the idea of the steel girder frame running from front to back.






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 12-31-2001, 17:05 Post: 34164
D.Hunt
2001-12-31 00:00:00
Post: 34164
 Tractor Weight

I think you should take a better look at the NH and John Deere. The ones I looked at all had a steel frame in addition to larger castings in the construction. I was worried about thr frame on the Kubota flexing under load as well as the lack of weight when doing any heavy work. I was tring to find out if Kabota expects you to add more weight to use a FEL than the other tractors require. In my opinion this would put more stress on the Kabota.






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 01-01-2002, 10:33 Post: 34178
Roger L.



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Several years ago I asked the same question and was told that it was the policy of Kubota to publish their weights without the wheels and tires. The dealer said it had to do with shipping, imports, and insurance. That would sure make the difference, but I haven't any idea if it is true. I tend to take anything that a tractor salesman tells me with a large grain of salt. The more sincere he sounds, the more salt I use. While we're being suspicious, I have to say that I've never weighed any of my own tractors to compare their weight with the specs and haven't the slightest idea what they really do weigh.
Farm tractors tested at Nebraska with their famous ASAE tests which go a long way toward keeping the advertising department's creativity in check. Not so with compacts. The compact tractor industry's published specifications have a colorful history which cuts right across the brands. We've seen manufacturer's 3pt lift and FEL force figures vary 50% depending on who was measuring them and where. HP is the same way. Weight shouldn't surprise us at all. There are industry standards, but compliance varies.. I'd be reluctant to believe the published figures without some confirmation.






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 01-01-2002, 10:48 Post: 34180
cutter



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I have looked, I have owned all three.






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 01-02-2002, 14:44 Post: 34200
Art White



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Roger with some of my customers, I have to take what they say with a grain of salt and some time more. Not that many salespeople do know what they are selling well enough, they just want to sell and with a smile away we go! Weight is on it's way down on all tractors. The question is how light can you go and still have enough traction to get the job done? the lighter the better as it will give you longer life and better fuel economy and less ground compaction. Lightness should enhance the tractors responsiveness to throttle position. Many tractors in the ag end have been over weight for years. The things we have seen from this is engine failure and complaints of sluggishness. People do not want to operate them as they need to be shifted more often. They will pull more but only to a point. Properly over weight and you can cut 2/3rds of the driveline life. A good salesperson should be able to relate different successes they have had that worked for other people just like you.






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 01-02-2002, 15:39 Post: 34201
Roger L.



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Yep, Art I agree with you. Tractors were too heavy for way too long, and the weight was in the wrong places. I go back to the days when engines themselves were not considered to be "variable speed engines". You selected speed with gearing and ran the engine at the rated RPM. There have been lots of advances. I also think that you need enough weight for traction and balance and that is enough. As Cutter says, the materials can change the weight as well. I sure wouldn't rate any tractor on weight as pro or con without taking other things into consideration....just as I wouldn't take the published weight as gospel without using that grain of salt. Art, nothing against tractor salesman. I think I should have made a strong distinction between professional salesman with product knowledge - they are wonderful - and the salesman who are just there to sell product without knowing from experience. Too many of the latter and too few of the good ones. When I find a good salesman I listen carefully to what he has to say. But they are just so darn rare! Or am I falling into "oldfartism"?






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 01-03-2002, 06:21 Post: 34218
TomG

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I'm guessing that 4wd allows tractors to be lighter. Before 4wd, power got to the ground only through the rear tires. There's only so much tire design can do for traction, and adding weight is the best way to utilize more power. Maybe the idea was that manufacturers just made 'chunky' tractors because owners would add more ballast anyway.

I've heard some people elsewhere who seem to treat ballast as something 'wholesome' (the more the better). The weights they claimed for their tractors were pretty incredible. There didn't seem to be the sense that there are ideal weights for given types of work or that more ballast may be worse than better. It's good to hear affirmation that excess weight wears things out.

4wd solves some of the traction problem, and so there should be less need for heavy tractors. However, I'm guessing that weight and weight distribution seldom is very good for a 4wd tractor, because 4wd is still thought of as an option. I imagine that most tractors actually are designed as 2wd machines.

I wonder how long it took before manufacturers started designing front-ends to accommodate loaders? Maybe eventually manufacturers will drop the pretense that 4wd is an option and perhaps start designing regular lines for 4wd and economy lines with 2wd.

I imagine a lot could be done with specific design to produce lighter, more powerful and durable tractors. However, light trucks started weighing less sometime after '91. Unfortunately, I don't think there was any design goal except to make them lighter. The lightweight light trucks are sometimes though of as the reason tough trucks have become truly lightweights. I hate for that to happen to tractors.







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Discussion Boards > Active Subjects > Messages as Posted > Kubota Review Forum

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