Retailers that sell the 20W50 motor oil or 15W-50 synthetic motor oil suitable for hydro-gear transmissions and pumps include Walmart.com, RedLineOil.com, ShopBTR.com and FRSport.com. Walmart.com sells Mobil 1 15W-50 oil, Castrol 20W50 high mileage motor oil, Castrol Actevo 4T motor oil, Castrol GTX conventional motor oil and SuperTech 20W50 oil. It also carries the brands Quaker State, Quicksilver, Valvoline, Pennzoil and Lucas.
RedLineOil.com sells 15W50 motor oil that is designed to prevent wear and reduce friction under different conditions of operation. The oil's high viscosity index provides increased lubrication, better temperature stability and fuel economy, thicker oil film, and less evaporation. Red Line Oil's oil is comparable to other conventional and synthetic brands. The website also sells 20W50 motor oil that's suitable for cars, light trucks, marine applications and sport vehicles.
ShopBTR.com carries Purol 20W50 synthetic motor oil for use in all vehicles that require 20W50 lubrication, including off-road and modified street vehicles. This lubricant is suitable for use in high-temperature environments. ShopBTR.com offers this product in single containers and also sells it by the case.
FRSport.com sells Torco SR-5 synthetic motor oil that's suitable for vehicles that require 15W50 and 20W50 oils. It is recommended for large bore engines, as well as for race cars and other competition vehicles. This product is compatible with nitrous, turbo, supercharged and alcohol-injected engines. The site also sells the Royal Purple, Blitz and RedLine brands of 20W50 oil. Royal Purple oil contains additives designed to improve engine performance, and RedLine is notable for its high-temperature protection capabilities. Blitz oil is specially designed for high-performance race vehicles.