You need to read up on runaway Detroit 6-71's. That truck engine had problems. The freight line I drove for had 4 GMC 9500 series tractors with 6-71 Detroit diesels all running on Rotella 15-40 oil and ran great until taken out of service with 2-3 million miles on them ( engines were rebuilt several time in their life). Seems funny that you have had low oil presure with Rotela 15-40. All my old farm tractors and trucks run on it with no oil presure drop And the company that I worked for used it in 30 tractors ,5 straight trucks, 3 wreckers, 3 fork lifts and other company vehicles all running on Rotela 15-40. The only time you would see drop when hot was when engine was getting tired and ready for overhaul.
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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