Tap here to read more about Caltric M157175 Deck Pulley for John Deere X320 X324 X340 48″/ X500 X520 48″ 54. P remium Quality Replacement Part. Compatible With Toro Models. 74203 (Z 255) 62 Z Master (SN: 099004001 – 099999999) (1999). 74203 (Z 255) 62 Z Master (SN: 200000001 – 200999999) 2000. 74209 (Z 253) 62 Z Master (SN: 0000001 – 0000999) (2000). 74209 (Z 253) 62 Z Master (SN: 200001000 – 200999999) (2000). 74212 (Z 252 L) 62 Z Master (SN: 099000001 – 099999999) (1999). 74212 (Z 252 L) 62 Z Master (SN: 200000001 – 200999999) (2000). 2 x Deck Outer Spindle. 145 mm – 5.70. Diameter : 212 mm – 8.34. Mounting Hole Distance : 170.5 mm – 6.71. 1 x Deck Middle Spindle. Height: 185.5 – 7.30. Pullay Width: 19.5 mm – 0.76.