Check the listing for details. 4 Stroke 42.7cc Air Cooled Vibrating Tool Concrete Vibrator Single Cylinder. Condition: New. Listed at 204.66 USD. Features: This concrete vibrator quickly and efficiently surface air bubbles and level concrete. The lightweight and compact design makes the concrete vibrator easy to transport and position on the jobsite. Lightweight and compact design for all day use 4 stroke 4.8 HP engine with 1 year engine manufacturer warranty Eliminates the need for a dedicated generator on site Vibrator/Poker Specs: Diameter:35mm Length: 8Ft(2.5M) Can be used with either steel or rubber vibrator heads- currently come with Steel Vibrator heads Engine Specs: Single cylinder Air cooled OHV valve system Recoil starting system Cast iron casing improves lubrication and increases engine life Automatic alarm and stop at low oil level Compression ratio: 8.5:1 Displacement: 42.7 cc Noise: 70dBA.