Briggs & stratton 44s977-0032-g1, gas engine professional v-twin, vertical shaft, 1″ crank shaft this genuine 724cc briggs & stratton twin cylinder engine offers dependable power for your equipment needs. With a power rating of 24 horsepower, this engine features a premium dual clean air filtration system, electric starter, and maintenance-free. Use with lawn/garden trackers and ztr.