The compact GP-300 series gear pumps are designed to transfer motor oil, diesel fuel and water. Utilizing bronze gears and stainless steel shafts. The GP-300 transfers oil, diesel fuel and water up to 3 GPM and has straight cut bronze gears. The larger GP-600 features larger 10 amp motor and pump head, bronze gears and capacity of 6 GPM. All pumps are fully reversible and come in 12 and 24 Volt models. Photo on top shows GP-301 1.5 GPM Gear pump 12/24V $210.00 3GPM Gear Pump 12 or 24 Volt $275.00 3GPM Gear Pump 12 or 24 Volt with Larger Motor $450.00 6 GPM Gear Pump12 or 24 Volt $575.00 3GPM Stainless Steel Gear Pump 12 or 24 Volt $573.50 Inline Strainer for Oil / Diesel fuel $26.75 Do it yourself pre-luber idea 3 GPM Heavy Duty DC Gear Pump $976.60 3.6 GPM 110V Reversible gear pump $820.00 If you have any questions, please email them to: info@enginegearonline.com