These gear pump assemblies make it easier for someone to build his own system without the hassle of electrical wiring and mounting. The units incorporate mounting base, switch box integral with the mounting base, switch and fuse holder. They are available with three switch options: M- momentary R - reversable and S - On/Off 3 GPM gear pump. Mounted, with switch and fuse 12/24 Volt $450.00 3 GPM HD motor gear pump. $620.00 6 GPM pump mounted with switch and fuse 12/24 Volt $765.00 If you have any questions, please email them to: help@enginegearonline.com