Prairie-Flow Designed and built in Illinois Prairie-Flow Conveyors for: Grain Fertilizer Litter High Capacity Low Maintenance Robust Design Extreme Durability Standard units are self-contained and self-propelled. Other power options Electric PTO Tractor remote For all commodity handling solutions Call 618-349-6520 Martin's Welding-Fabrication SM-LA2228305 Prairie - Flow Designed and built in Illinois Prairie - Flow Conveyors for : Grain Fertilizer Litter High Capacity Low Maintenance Robust Design Extreme Durability Standard units are self - contained and self - propelled . Other power options Electric PTO Tractor remote For all commodity handling solutions Call 618-349-6520 Martin's Welding - Fabrication SM - LA2228305