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General Pump Series 100 Oil is a premium, non-detergent 30W oil that maintains optimal performance and increases the lifespan of pumps. This is General's most commonly used oil, as it's the recommended option for many of their most popular pump models that use 25 BHP or less. Series 100 has a naturally high viscosity that can even be used at high temperatures and has anti-scuff and anti-wear agents to extend the life of pump components. This product is a single 16oz bottle of Series 100 oil.
General Pump Series 100 Oil is a premium, non-detergent 30W pump oil with a naturally high viscosity for constant operation over wide temperature ranges. It protects against rust and oxidation, prevents sludge buildup, and vanishes formation to optimize the performance and lifespan of your pump. Series 100 is their most popular type of oil, as it's the recommended option for the majority of their pumps requiring 25 BHP or less (see the General Pump Oil Recommendations document under "Manuals" to find the oil you need).
Change your General Pump oil during the break-in period of your pump between 50 and 100 hours. After that, change oil every 3 months or 300 hours. It's a good idea to check oil level in the crankcase on a daily basis. It's important to use the appropriate oil that General recommends for your pump, not only because they're formulated to be the best option, but also because using other oils may void any current warranties.