Bluebird D110B Towable Comber 38" Spring Tines Briggs 900 Series GTBluebird D110B Towable Comber 38" Spring Tines Briggs 900 Series GT Features: One hundred counter rotating spring tines over a 38 width makes this towable comber extremely efficient A lift handle engages the spring tine reel, which is chain driven by a GX160 Honda engine The D110 makes short work of large yards, commercial or institutional lawns, golf courses, and playing fields