ST-850 twin wheel driving style roller 1. Overview: be on compacted soil, asphalt roads, with sidewalks, bridges and culverts, car parks, sports grounds and narrow compaction, vertical vibration exciting force compaction high efficiency, highway, municipal departments of the ideal equipment to build roads, streets, squares of. 2. Product Features: small operating radius, can work in a small area; equipped brand-name power, superior performance, easy start; with an international brand hydraulic drive, variable speed, reversing convenient; famous international FYH Seiko Bearing to ensure that the overall work performance; surface spray, beautiful appearance, rust corrosion 3. Technical parameters: Model ST-850A ST-850B power (HP) 6.0KW (CF178F) 13.0HP (GX390) vibration frequency (HZ) 75 Drive mode hydrostatic drive drum size (mm) rear wheel 560x700 450x450 exciting force (KN) 15 Climbing capacity 30% by weight (KG) 850 850 Dimensions (mm) 1850x860x1050 1850x860x1050 Ji Ning Shi Teng Mining Equipment Co. The company truth to you and look forward to your cooperation!