Increase fluid line protection against hot and cold temperature extremes with Pennzoil's improved Hydra-Tranz tractor hydraulic fluid.

The fluid now is formulated with the company's PureBase, which is the same base oil used in its motor oils. The fluid can be used in transmissions, hydraulic systems, differentials, wet brake systems and PTOs in tractors, combines and other farm machines. Contact Pennzoil-Quaker State Co., Dept. FIN, Box 2967, Houston, TX 77252, 713/546-8365 or circle 197.