580 super m series 2 backhoe, loses power when driving or hydraulics are active

lundi 29 septembre 2014

I have changed the injection pump(due to no throttle response), the torque converter/transmission (had metal in the suction screens). It throttles up but when driving or operating it falls on it's face (1000 rpm from full throttle). Any ideas? This one has Mr stumped and I've been a mechanic 35yrs.





580 super m series 2 backhoe, loses power when driving or hydraulics are active

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