Combination trucks are reliable workhorses used for years in wastewater tank and pipe cleaning. Still, some big jobs call for more capability than jetting and vacuum can deliver.
Polston Applied Technologies has developed what it calls Combination3 (as in “cubed”) technology for such applications. Besides jetting and vacuum, the Model PAT 934 truck carries downhole pumping capability.The truck is designed as a stand-alone cleaning system for large-diameter pipe, digesters, grit chambers, lift stations, ponds, lagoons, and other potentially hard-to-clean facilities. Built on a Western Star 4900 chassis, it delivers up to 470 hp and a 4,500 cfm Roots blower with cyclone.One
