DO YOU HAVE A MANUAL ON THE TRACTOR? HAS A DEALER TOLD YOU WHAT OIL THEY RECOMMEND? I JUST POSTED A THREAD CALLED "WHAT OIL DO I USE?" AND IT WAS IN REGARDS TO MY L3200. I WOULD BET THAT YOU CAN USE THE SAME THING I DO : ROTELLA 15W-40. ITS THE MOST POPULAR OIL FROM WHAT I HAVE BEEN TOLD FOR TRACTOR DIESELS. MY DEALER RECOMMENDED 10W-40, AS DOES MY MANUAL, BUT AS LONG AS ITS A "C" RATED DEISEL OIL YOU WILL BE FINE. AS TO HOW MUCH....NOT SURE THERE, BUT MY L3200 HOLDS 6.5 QUARTS. ROTELLA IS SOLD BY THE GALLON (4 QUARTS) SO I BOUGHT TWO GALLONS AND THEN CHECKED THE DIP STICK, ADDED A LITTLE AND CHECKED AGAIN UNTIL I REACHED THE PROPER LEVEL. BEST ADVICE I CAN GIVE IS THAT IT NEEDS TO BE DEISEL OIL....THERE IS A DIFFERENCE BETWEEN DEISEL AND STANDARD MOTOR OILS. HOPE THIS HELPS.:smurf: