I agree with SV--The early 7020 had the same engine as a 4620 and the later ones had the 4630 engine--so The knob shut-off is most likely the linkage on the side of the pump--have someone run the throttle while you watch the lever on the side of the pump. You might have to adjust the linkage. Like SV said--the charge pump feeds your main pump and when you push in the clutch it stops--I would start by changing the hydraulic oil filter first and go from there.---Get your muti-meter out and stat checking voltage while someone runs the key for you starter trouble--you should be able to narrow it down pretty fast.---I would check the PTO cable -If the previous owner never used it the cable most likely froze--Penetrating oil?--Good luck--My first 4-wheel drive was a 7020--remember--NO live PTO--Good Luck---TEE Had a Deere 3200 6-18's plow--pulled it good--I wished I would have kept the 7020--Mine was a early one but someone put the 4630 engine in it.
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Today's Featured Article - Tuning Up Your Tractor: The Battery - by Curtis Von Fange. Buried somewhere beneath the sheetmetal, under the gas tank, or stuffed in front of the radiator is the battery. This elusive and neglected component of the tractor is the hardest to get to when it is dead and in need of a jump. But usually, the storage battery is a storehouse of electrical energy waiting to be released a the flick of a switch. A few maintenance tips and periodic cleaning will keep it charged for the duration of its life span. The battery is made up of a number of lead bas
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