... readystart, with mulch plug. CJ18G3IN1B40 NEW self push 3INI function lawn mower equipped with B&S engine 500series readystart, with mulch plug ... width: 18In (460mm)4) Height adjustment: one lift for 4 wheels with 8 position5) Engine: Briggs & Stratton 500series readystart 4. ... : Side discharg, mulch, Rear discharge with fabric bag. 8) Wheels: 7" front wheels, 8" rear wheels 9) Certification: CE & GS