The Piusi Panther 56 Electric Black Diesel Transfer Pump operates on 110V 50HZ power. This reliable transfer pump from the trusted brand PIUSI ensures efficient and easy pumping of diesel fuel. With its compact design and high performance, it is ideal for various fuel transfer applications in both industrial and commercial settings. The electric operation provides a convenient and cost-effective solution, making it a versatile option for use in a range of settings. bought a few years ago but never used, stored in dry conditions with protection caps never removed. Sticker on top faded from box lid that stored in.