Posted by Dan-IA on May 17, 2008 at 19:53:30 from (66.43.223.149):
I was always taught with a diesel you run it at a slow speed until it warms up, run it slow when it's idling (it uses practically no fuel at idle), but otherwise keep that engine wound up to 2800RPM, it has plenty of torque and you won't lug it or bend a crank or anything like that. And those tractor transmissions act like an ratcheting impact wrench on the final drives at too slow a speed, so run it fast to prevent damaging the bull gears.
Well, today I was in the field with a 4-150 pulling a tandem disk just deep enough to break up the topsoil and cut stalks (not more than 4 inches.) I was told to run it in 3rd wide open, but I got to thinking that 4th at about half throttle was plenty fast. It took virtually no power to pull that disk this way, and that big Cat 3208 engine was a lot quieter, so I could actually hear the radio for a change.
Does that sound reasonable, or was I abusing my equipment?
While I'm thinking about it, is there any hard and fast rule about what implements you're supposed to lift out of the ground to turn and which ones you can just drag around? I was taught to lift a disc, but the soil was loose enough on top today it didn't seem to hurt when I wasn't overly quick on the lift lever.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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