every kinds of rotary bladers supplied, RD-81 walk behind tractor: 8hp diesel engine ... tread 680-740mmTyres 6.00-12Ground clearance 210mmWorking weight (with rotary tiller)350kgSpeed Forward1.68, 2.61, 4.22, 6.79 ... Rated speed2600rpm Fuel efficiency:≤278.8gl/kw.hr Displacement0.402L Rotary tiller