It's got little to do with the ages of the tractors. Basically it's the size. A diesel needs to be worked within a certain horsepower range or the fuel efficiency drops like a rock.
An old 9N Ford with a flathead gas engine will make 10 horsepower more efficiently than that Massey Ferguson 1180 diesel.
A 3020 is quite a bit bigger than the MF1180. A more fair comparison is with a Deere 1520, made in 1968. It has an engine the same size, but made by Deere instead of Perkins. The Deere makes 46 horsepower with a fuel efficiency rating of 15.4 horsepower hours per gallon of diesel. The MF 1180 makes 46 horse at 15.3 horsepower hours per gallon. They are just about the same - but technically, the older Deere is more fuel efficient.
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Today's Featured Article - Restoration Story: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
... [Read Article]
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