Replaces OEM Part Number: Replacement for Toro 107-3709 Compatible with Models: 20054 (250000001-250999999)(2005) 20054 (260000001-260999999)(2006) 20054 (270000001-270999999)(2007) 20055 (250000001-250999999)(2005) 20055 (260000001-260999999)(2006) 20055 (270000001-270999999)(2007) 20056 (250000001-250999999)(2005) 20056 (260000001-260999999)(2006) 20056 (270000001-270999999)(2007) 20057 (250000001-250999999)(2005) 20057 (260000001-260999999)(2006) 20058 (250000001-250999999)(2005) 20058 (260000001-260999999)(2006) 20062 (270000001-270999999)(2007) 20091 (280000001-280999999)(2008) 20091C (280000001-280999999)(2008) 20092 (280000001-280999999)(2008) 20092 (310000001-310020057)(2010) 20092 (310020238-310999999)(2010) 20092C (280000001-280999999)(2008) 20092C (310000001-310999999)(2010) 20093 (280000001-280999999)(2008) 20093C (280000001-280999999)(2008) 20095 (280000001-280999999)(2008) 20095 (310000001-310004268)(2010) 20095 (310004923-310999999)(2010) 20095C (280000001-280999999)(2008) 20095C (310000001-310999999)(2010) 20099 (280000001-280999999)(2008) 20099 (290000001-290999999)(2009) 20099 (310000001-310000309)(2010) 20381 (312000001 - 312999999) 20382 (314000001 - 314999999) 20383 (314000001 - 314999999) 20384 (314000001 - 314999999) 20099 (311000001-311999999) 20092 (311000001-311999999) 20092C (311000001-311999999) 20095 (311000001-311999999) 20095C (311000001-311999999) 20382 (316000001-316999999) 20382 (315000001-315999999) 20380 (312000001-312999999) 20380 (313000001-313999999) Specifications: Size: 8X2" Hub: 1/2" Hub Offset: 1-3/4" Metal Gear with 42 teeth