Respectfully, you will notice I said "...of the same horsepower..." If th engine"s design point is at 5000 ft altitude, you can size the displacement for that design point and it will have a bunch more power at sea level.
But sure the altitude lapse rate for a turbo sized at sea level, in general, is less than that of an NA engine sized at sea level. In fact if the compressor outlet pressure is held constant by a control system, there is no altitude lapse.
The turbo makes some things easier for the manufacturer but the owner has to pay for the operating and maintenance costs and my point is the more moving parts, the more that can go wrong and it will happen on the owners nickle.
And I was refering to tractor applications not trucks. With trucks, power to weight is an important factor.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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