Comparing oil analysis of Shell rotella T4, T5, and T6 - YouTube
Shell Rotella® T6 15W-40 Full Synthetic Motor Oil | Shell ROTELLA®
Shell Rotella Shell Rotella T6 Full Synthetic SAE 15W-40 Diesel Motor Oil 1 Gal. 550050467 - The Home Depot
NEW SHELL ROTELLA T4 NG PLUS ENGINE OIL FOR NATURAL GAS ENGINES AND SHELL ROTELLA T6 FULL SYNTHETIC 0W-40 ENGINE OIL FOR DIESELS OPERATING IN COLD CLIMATES | Red Eye Radio
ROTELLA T6 Full Synthetic 15W-40 Heavy Duty Diesel Motor Oil, 5 Gallon | eBay