I looked at a row of Masseys in a wrecker's yard a while back ,out of 8 there were 6 with fires in the engine bay, 1 tipped off a truck and the other was ooold. The fires had mostly started around the air conditioner compressor . We almost burnt our 760 that way thats why I was so interested!! it all goes back to lack of maintenance , the heat exchanger behind the cab gets plugged up , overloads the system and the clutch of the rotary compressor starts smokin. We cleaned the system out properly , fitted a pressure cutout switch on the compressor for safety and use the leaf blower every day (always have). There are a lot of new machines burn when harvestin lupins out here Silver ones are worst then yellow , green , maroon, about in that order; static electricity they say; doesnt seem to affect old Masseys; maybe they are too cheap.