Toro TimeCutter Z420/Z4200/Z4202/Z530/RZT420 Bar Blade 106-2247-03, 106-6583-03, BLR7544 R63-3830 Thread Size: 7/16"-20

Thread Size: 7/16"-20

GA Spare: TTT1N359025910

The key difference is that the 61E featured a mechanical governor

Replaces OEM: OREGON 21LPX068G

and 300 series models

Toro TimeCutter Z420/Z4200/Z4202/Z530/RZT420 Bar Blade 106-2247-03, 106-6583-03, BLR7544 R63-3830 Thread Size: 7/16"-20Replaces OEM: Toro: 106 2247 03, 106 6583 03, 106 8744 03, 110 6568 03, 106 2247, 106 6583, 106 8744, 110 6568 Standard Pack: 1 Suits models: Toro 42" Time Cutter: Z420, Z4200 (2007 2010 models), Z4202 (2009 2010 models), Z530 (2006, 2007 models) Toro Twin Bagger, TimeCutter Z riding mowers: Requires 2 for 42" deck Specifications: Centre Hole Diameter: 5 8 inches (16 mm) Deck Size: 42 inches (1067 mm 106 cm) Length: 21 5 8 inches (550 mm) Width: 2 1 4