Features and Benefits:

• 5 to 1 balanced double acting design delivers steady uniform output with reduced pulsation
• Powerful 40 cubic inch air motor provides high performance with universal mounting capability
• Full 4.5 inch stroke increases pump life by reducing cycles per gallon dispensed
• Corrosion resistant zinc head casting maintains pumping performance even in icing conditions
• Integrated muffler keeps the 150 psi air motor operating quietly below OSHA noise limits
• Ball check valve ensures consistent prime for reliable fluid transfer
• Springless air motor design prevents failures related to spring fatigue
• Precision machined hardened steel slide valve increases durability in demanding environments
• Large 1/2 inch NPT outlet and 1 inch NPT inlet support full flow and easy system integration
• Designed for greater cycle rates and exceeds competitive pump performance limits
• Shares common parts with Series 20 25 and 40 pumps for easier serviceability
• Each pump is 100 percent electronically tested to guarantee performance
• Compatible with motor oil ATF and gear lubricants for wide application use
• Outputs up to 6 GPM for faster efficient product delivery



he Lincoln 84933 is a heavy duty 5 to 1 balanced double acting oil stub pump engineered for high performance lubrication applications. Designed with a powerful 40 cubic inch air motor and a full 4.5 inch stroke, it delivers up to 6 GPM of steady, pulsation free flow for faster and more reliable oil transfer. Built from corrosion resistant materials including a zinc head casting, the 84933 keeps pumping in harsh conditions where other pumps slow down or freeze. Its quiet air motor operates below OSHA noise limits, while the ball check valve and precision machined steel slide valve ensure consistent priming and long service life. Compatible with motor oil, ATF, and gear lubricants, and sharing components with Lincoln Series 20, 25, and 40 pumps, the 84933 offers unmatched versatility, easy serviceability, and industry leading dependability. All units are 100 percent electronically tested to guarantee operational quality