concrete pump spare parts HBT90S 1.Electric or diesel engine available. 2.Electric power:90kw. ... 2. Main Technical Parameters of concrete pump spare parts HBT90S Type parametersHBT90S-18-174RS(diesel engine)Concrete delivery pressure(Mpa ... : Japan Kawasaki of concrete pump spare parts HBT90S :China Liyuan of concrete pump spare parts HBT90S : Trailer mounted concrete pump spare parts ...