ST-12 walk-behind single-cylinder drum compactor 1. Purpose: BMY-12-type roller is the world's smallest roller, mainly used to repair potholes and covers the periphery of asphalt compaction, it can also be used for small trench backfill The compaction. 2. Technical parameters: Model ST-12 compact vibration frequency 80HZ exciting force 15KN Engine Model HONDA GX160 gasoline engine type OHV single cylinder air-cooled four-stroke power 5.5HP / 3600rpm Fuel tank capacity 3.6L 0.6L amount of oil fuel consumption 313g / kwh Dimensions Drum width 450mm 350mm diameter drum Weights Operating Weight 125kg maximum working weight 138kg Mining Equipment Co., Ltd. Ji Ning Shi Teng truth to you and look forward to your cooperation!