Powertran Tractor Hydraulic Fluid. Conoco brand. Equivalent to Hytran and other equivalent hydraulic fluids. It services tractors where the transmission and hydraulics are in the same compartment on the tractor. I have ten gallons in two five gallon pails. One pail is new unopened fluid. The other is a pail of bulk oil I bought from the distributor and put in my in my container. Both are the same exact fluid. The containers look different because one is a newer style container. I'm asking $8.00 per gallon for the fluid. New bulk oil from the distributor is about $12.00 to $15.00 per gallon, and the new branded Powertran from the distributor is about $23.00 per gallon. Most older tractors use this fluid.