The 105 Deere combine I used had the 348 gas engine, supposedly the same as the 4020 engine. Under full load, which was most of the time it drank a roughly calculated 7 gallons per hour. Then it got worse as the accelerator pump vacuum plunger wore and made it suck gas past the piston so I plugged the vacuum port to the accelerator pump. Had to slowly open the throttle after that but the gph went down to 5 and it purred like a kitten at idle. Disabling the accelerator pump would never work on a tractor but the combine engine ran wide open with no sudden loads so I got away with it.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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