Seneca Tank is an ASME and US DOT accredited international supplier of Tank Transport Equipment, PTO’s, and Hydraulic Compone ... nts. As a full service supplier our three distinct business units offer work truck operators a full suite of fleet support capabilities: -Tank Truck Sales: In addition to a large new and pre-owned inventory of Tank Trucks, Lube Vans, and Tank Transports we also offer full design build capabilities. -Parts: Quick shipment of tank truck unloading equipment and mobile fluid power components. Products include blowers, compressors, hose, meters, pumps, PTO’s and much more. -Service: DOT Testing for 406, 407, and 412 coded vessels along with tank body change over and refurbishment projects. Non-tank based services include Hydraulic service and tractor wet-line system installs. Our expansive inventory, and staff of industry experts are here to keep you on the road. read more