One 158cc Briggs & Stratton vertical engine for sale. This four-stroke motor has a 7/8" diameter shaft that's 1 13/16" in length. The gross torque is rated at 5.50, with around 5 horsepower. Ideal for lawnmowers, pressure washers, agricultural equipment, etc. Used, but in good condition. C/w operator's manual. Note: Some of the specifications can be found on picture #6