Rely on Grainger for dock truck wheel risers to help keep things on the level at the loading dock. Keeping semi-trailers level to the dock helps eliminate safety hazards. Welded steel risers feature a 40,000 lb. per pair load capacity. Welded aluminum wheel risers will hold 24,000 or 30,000 lb. per pair depending on size dimensions. Choose from various sizes. Help to reduce loading dock accidents resulting from uneven ramps with heavy-duty dock truck wheel risers from Grainger.