The Putzmeister BSA Trailer Pumps are powerful, reliable, durable and flexible. They provide exceptional convenience to meet the requirements of the most demanding of jobs. Putzmeister’s unique technology combines high output and high pressure with the same setup. The BSA Trailer Pumps make quick work of tough mixes for a variety of applications, including high rise buildings, long distance concrete pumping, tunnel construction, sludge pumping and other specialty jobs. Outstanding features of the pumps include heavy duty tandem axles, high pressure S- Valve and rugged delivery cylinders. They are just what you need to deliver high performance and high pressure.