That little case certainly wasn't all that efficient at only 15 HHG. That would have been quite a good figure for the 70's to mid 80's... The 'R' was good for it's time but those are only average numbers today too. I think that most of Ford's Genesis engines would fall in about that range, and one of the most efficient tractors ever tested at Nebraska was the Ford 8870 which just about broke 20 HHG (19.98) I think was the number at rated power.... Personally I've never thought of Deeres to be particulairly efficient engines. I know they put up fancy numbers on the PTO test at nebraska at maximum power but when they get to the field in the real world they burn more fuel than most. I think it's in the numbers you've shown at part load. They get awful poor in that working range and most I've seen seem to find themselves beside the fuel tank a lot more than their competition. You don't by chance have the test handy for the 4440?
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Today's Featured Article - A Lifetime of David Brown - by Samuel Kennedy. I was born in 1950 and reared on my family’s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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