I found the specs. 4.3 L Oldsmobile Diesel 85HP @ 3600RPM and 165ft.lbs @ 1600RPM. The 504 already has a fast road gear. The OEM tire size was 12.4-38 and it would do 22 MPH @ 3000 RPM (tach face), I know that my 504 with 14.9-38 tires will hit over 30 mph (above rated engine speed, about 3000 rpm, verified). I can only imagine what the GM diesel would do in road gear!
How much were they asking for it? I believe it could be a Category 1 powerhouse being peak torque is at 1600 RPM, PTO speed is at about 2000 RPM! I would not use it in a tractor pull though, the trans/rear end may explode!
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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