There is a sensor which tells the controller whether you hae the 540 shaft or the 1000 shaft installed. If the sensor is bad and the controller thinks the 540 shaft is installed, the computer will limit engine rpm to prevent overspeeding the pto. Sounds like your sensor is bad. The worst thing is that the sensor is inside the rear pto housing. The housing needs to be removed to repair it. Item #4 in diagram is it.
7130 1000 RPM PTO Trouble
7130 Premium tractor, when I use the 1000 rpm pto the tractor is derated and will only allow the shaft speed to reach a maximum of 600 rpm's.. 540 works fine.. Does anybody have any ideas as to what my problem may be??? When using it on my feed cutter 600 rpm's is just not enough to cut the hay but the torque is there so I am feeling it is an electronic issue. THANK YOU to anybody and everybody who can offer me some advice!!!
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The AL162765 is a speed sensor. The one for your problem is the "which end out" sensor.
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