self propelled trolley with four wheels 80 ton-Perfect Motorized. Motorized Trolley, Capacity: 2-5 ton. 20,000/ Piece Get Latest Price. Capacity: 0-2 ton, 5-10 ton, 2-5 ton, 15-20 ton, 10-15 ton. Beam Width: 60-90 mm, 0-20 mm, 20-40 mm, 40-60 mm, 90-120 mm. Width Between Wheels (mm): From 50 MM to 200 MM.