Posted by Dieseltech on August 04, 2021 at 20:23:05 from (64.184.64.57):
In Reply to: how to dyno 4020 posted by boberjagel on August 04, 2021 at 19:25:00:
From the M&W Gear chart, late diesel 4020 Power shift with 1000 RPM shaft, engine no load 2410 RPM for 1272 PTO, engine full load is 2200 for 1161 PTO, 95.8 HP. The late diesel 4020 synchro is engine no load 2380, PTO 1256. Full load 2200 engine, 1161 PTO, 94.9 HP. If using the six spline shaft the no load speed should be about 610 PTO, and loaded down to 540 and reading taken there. The engine checked at 1900 RPM the PTO HP will be slightly less than the M&W Gear chart.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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