I can tell you from experience that a truck at 35 mph is way less efficient.You might find off road trucks that work good at 35 mph,but thats about it.Maybe an old 5 speed Mack,but I doubt it.You have to get a run at hills,especially if you dont have any horsepower.High horsepower trucks do better where you arent lugging or downshifting.Every little rise you come to at 35 you would be shifting.Trucks or nothing else does very good if you have to keep your foot to the floor all the time.You want enough power to climb hills with reserve.There are lots of lies about stuff like the 35 mph is better for trucks,obviously they have never driven a truck. The quicker you can get to operating speed,and the longer you can keep it there without stopping and starting the better economy you have.A 13 speed transmission,in big hills will get better fuel mileage than a 10 speed because you can split gears and get ahead of a truck that has to drop full gears.Over a day that adds up to say 10 miles further down the road,maybe more.Gears,horsepower,drafting,and other things are way more involved than a certain speed.Every vehicle out there is not made to run 35,55,or 100 mph.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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