Speedaire 31LC99 Two Cylinder Pump With Unloaders

Speedaire 31LC99 two-cylinder pump with unloaders is a bare replacement pump designed to drop into compatible Speedaire/Jenny air compressor configurations. This splash-lubricated, single-stage unit is rated at 2 horsepower and delivers about 6.7 CFM at 150 psi, with a flywheel included for straightforward mounting and drive alignment. The two-cylinder design incorporates unloaders as part of the pump assembly, making it suitable for replacement in Speedaire/Jenny systems that specify the 31LC99 model. Sold as a replacement pump, it provides the necessary pumping capability for typical shop-air duties in mid-range systems when installed in compatible equipment.