Powershift SAE 30 (CTJ) Amsoil Synthetic Powershift Transmission Fluid SAE 30 is formulated for heavy-duty powershift transmissions. Provides outstanding friction performance for enhanced clutch engagement. Prevents slippage and glazing. Shear stable and anti-wear fortified. Resists high-temperature oxidation, varnish & sludge formation. Superb cold-flow properties. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.