Commercial Vehicle Motor Oils Turbo Series TAREX Turbo UHPD 5W-30 CJ-4/SN TAREX Turbo 10W-40 CI-4/SL TAREX Turbo UHPD 10W-40 CJ-4/SN TAREX Turbo 15W-40 CH-4/SL TAREX Turbo 15W-40 CI-4/SL TAREX Turbo 20W-50 CF-4