I got this email from Gulf Western "The correct product for use in ZF 6 speeds, as fitted to the XR6 T andFord Territories, is Gulf Western Syntrans. This product holds ZF approval". Ross Tubnor National Sales Manager I made a thread asking if anyone has used it and received no replies, altho when I spoke to Ross on the phone he said several Gulf Western employee's Territories and xr6's are running this oil and have been for some time.