A lawn mower comprising: a blade housing configured to house at least one blade; a motor configured to selectively rotate the at least one blade within the blade housing; a mobility assembly including front wheels supported at least in part via a front axle and rear wheels supported at least in part via a rear axle; and a cutting height adjustment assembly configured to convert linear movement of a linking member that is operably coupled between the front axle and the rear axle into a height adjustment of the blade housing, wherein the cutting height adjustment assembly comprises: a first pivot member operably coupled to the linking member and to the front axle; a second pivot member operably coupled to the linking member and to the rear axle; an adjusting member operably coupled to the linking member between the first pivot member and the second pivot member, characterized in that the adjusting member is rotated about a vertical axis to move the linking member linearly in a forward or rearward direction and correspondingly pivot the first pivot member and the second pivot member about the front axle and rear axle, respectively; wherein the linking member comprises a plurality of teeth, ridges or ribs disposed at an interface portion along one side of the linking member. a blade housing configured to house at least one blade; a motor configured to selectively rotate the at least one blade within the blade housing; a mobility assembly including front wheels supported at least in part via a front axle and rear wheels supported at least in part via a rear axle; and a cutting height adjustment assembly configured to convert linear movement of a linking member that is operably coupled between the front axle and the rear axle into a height adjustment of the blade housing, wherein the cutting height adjustment assembly comprises: a first pivot member operably coupled to the linking member and to the front axle; a second pivot member operably coupled to the linking member and to the rear axle; an adjusting member operably coupled to the linking member between the first pivot member and the second pivot member, characterized in that the adjusting member is rotated about a vertical axis to move the linking member linearly in a forward or rearward direction and correspondingly pivot the first pivot member and the second pivot member about the front axle and rear axle, respectively; wherein the linking member comprises a plurality of teeth, ridges or ribs disposed at an interface portion along one side of the linking member. a first pivot member operably coupled to the linking member and to the front axle; a second pivot member operably coupled to the linking member and to the rear axle; an adjusting member operably coupled to the linking member between the first pivot member and the second pivot member, characterized in that the adjusting member is rotated about a vertical axis to move the linking member linearly in a forward or rearward direction and correspondingly pivot the first pivot member and the second pivot member about the front axle and rear axle, respectively; wherein the linking member comprises a plurality of teeth, ridges or ribs disposed at an interface portion along one side of the linking member.