ZE929 – 12-Volt Electric Diesel Pump (12 GPM) is a pump designed for dependable use with Goat Pumps fluid-transfer equipment and compatible setups. Description:. This 12-Volt Electric fuel pump is designed for transferring diesel fuels only. This pump uses alligator clips to connect to a 12-volt battery and can transfer diesel fuels from drums or containers into equipment or another fueling container.