Warren has invested the time, effort and money to research new manufacturing methods andparts to modernize hydraulic lifting fifth wheels. We have used finite element analysis (FEA)along with real world practical experience to upgrade our designs. This has allowed us to buildthe wheels you need for your application. We also maintain a large inventory of both finishedwheels and parts to serve your needs. The Warren FW-30 or FW-45 lets you better utilize yourtractor as a spotter at night and a road tractor during the day. We offer many features notfound on any competitor’s fifth wheels: