RIDING-ON MOWER LAWN MOWER ORIGINAL AL-KO LAWN MOWER TECHNICAL SPECIFICATIONS MODELS T 753 A Comfort , T 800 , T 800 SA , T 850 , T 853 AS Comfort , T 854 HD-AS Comfort , T 900 OUTER DIAMETER 180 mm INNER DIAMETER 25 mm HEIGHT 33 mm CODE: 842514098 ORIGINAL CODE: 514098 SR 180