... wheels or four wheels for choice.2.Maintenance room in both sides of the trailer.3.Well sealed canopy can prevent ... 15m.Supply Scope: 1. Engine, Alternator,radiator, base frame, control panel. Trailer2. battery, battery charger, battery wires, internal cables, ... exhaust silencer.4. manual books of engine, alternator, genset, control panel, wires diagram. Factory picture: trailer power diesel generator ...