I understand you very much, since I have been looking for a tractor with similar parameters for a long time too. But when I was founding them, there were 2 options: either it was good in all options but expensive, or vice versa. As a result, the best that I found according to these parameters, where there are both good price and quality is kubota m5111 from machinerydealer.co.uk. It has 40 horsepower, I don't remember exactly how much, but about 2000 pounds of lifting capacity. For planting areas, this shall be perfect choice because it is also relatively small in size, which makes it convenient to pass through not very large fields.
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https://www.machinerydealer.co.uk/