MPBS Industries offers 7 cart lift dumpers as right now. They are all made by the stainless steel construction. More specifically, the M10 SBLD stationary cart lift dumper has 1000lb capacity, but the M10 PBLD portable column dumper only can carry 800lb capacity. The M13 SBLD stationary cart lift dumper could carry 1000lb capacity with left and right hand control. Please feel free to contact our professional sales and service staff to answer any questions you have.