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John: The JD 1020 is a tough little devil, but the 3 x 14 plow you mention is likely an over match for your tractor. The real issues are soil type and field condition. Specifically, if your soil is the heavier clay-loam type, you will be over-taxing the JD 1020 gas engine with respect to torque (sometimes referred to as low-end lugging power). The JD 1020's 152 c.i. diesel might work for you, but it will be stressed at the high-end of its power/work range. You will be better off with a 2 x 16 or 2 x 14 plow rig. Your ag agent or a competent soil testing service can supply you with the soil type information. If your soil type(s) turn out to be light peat-loams or sandy soils then the 3 x 14 plow is workable with the JD 1020. If your field is unworked for years, i.e. you will be "busting sod" with your plow rig, then 2 x 14 or 16 is your only selection. As an aside, it may be possible to make a 2 x 14 plow out of the 3 x 14 rig you are considering. Discuss the plow model with your local ag implement dealer or a competent machine shop. Also, trading/selling the 3 x 14 for another suitable 2 x 14 or 16 is another option. John, the ten-foot disc is going to work "OK" after you do the initial plowing and preparation on your field. Again, the JD 1020 Diesel engine will better for this chore than the gasser. On balance, I'd recommend you find a local farmer with bigger equipment to do the sod busting and moldboard plowing. He can also disc the field down for you, but this is optional. You can do the discing with your 10-foot rig. In the future, if you are still inclined to do yearly plowing or "turn her black" as they say, a 2 x 14 or 16 plow will always work and a 3 x 14 plow should be adequate if the soil does not become compacted.
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