description wyco ergopack backpack concrete vibrator honda the new and improved wyco ergopack concrete vibrator is lightweight, comfortable, and super efficient. the ergopack is the only concrete vibrator on the market to offer an ergonomic backpack design with proper weight distribution for all day pain-free performance. california proposition 65 warning. features rugged and lightweight steel frame comfortable weight distribution over hips and back honda 4 cycle engine with heavy-duty clutch adjustable speed with speed-lock function digital tachometer displays vibrational speed and total running time redesigned gears for increased efficiency, engine speed, power output, and product life minimal maintenance - no belts to replace! quick disconnect adapter allows the operator to use threaded vibrator shafts on the job site flexible throttle and shut-off specifications acme tools brand name wyco acme tools part number w402558 assembled weight (lbs) 30 california proposition 65 warning required yes cordless / corded cordless country of origin united states globaltradeitemnumber (gtin) 0423402000018 package contents 1 wyco ergopack backpack concrete vibrator w/honda package depth 24 package height 36 package weight 30 upc 423402000018