Tap here to read more about Caltric AM141040 M112991 M154158 AM137325 Spindle Blade for John Deere. Premium Quality Replacement Part. Notched High Lift Blade. Compatible with Exmark Models. 72 Front Runner Deck. FR524 – (SN: 720000 – 789999) (2008). 72 Lazer Z AS Zero-Turn Mower. LAS25KC604 – 25hp Koh. LAS25KC604N – 25hp Koh. (SN: 720000 – 789999) (2008). LAS28KA524 – 28hp Kaw. LAS28KA604 – 28hp Kaw. LAS28KA724 – 28hp Kaw. LAS28KA724N – 28hp Kaw. 72 Lazer Z Zero-Turn Mower. LZ23KA526 – 23hp Kaw. (SN: 790000 – 849999) (2009). LZ23KC486 – 23hp Koh. LZ23KC526 – 23hp Koh. LZ23KC604 – 23hp Koh. (SN: 540000 – 599999) (2005). LZ25KC524 – 25hp Koh. LZ25KC604 – 25hp Koh. 72 Lazer Z XP Zero-Turn Mower. LZ27DD604 – 27hp B&S (SN: 540000 – 599999) (2005). LZ27DD724 – 27hp B&S (SN: 540000 – 599999) (2005). LZ27KC524 – 27hp Koh. 72 Lazer Z DS-Series Zero-Turn Mower. 72 Lazer Z E-Series Zero-Turn Mower. FX (SN: 400000000 – 402082299) (2017). FX (SN: 404314159 – 406294344) (Rev B) (2019). FX (SN: 408644346 – 411294211) (Rev A) (2021). FX (SN: 411294212 – 413950473) (Rev B) (2022). FX (SN: 413950474 & Above) (Rev A) (2023). FX (SN: 316000000 – 399999999) (2016). 72 Lazer Z S-Series Zero-Turn Mower. Propane (SN: 313000000 – 313999999) (2013). Propane (SN: 314000000 – 314999999) (2014). Length: 622mm – 24 1/2 in Width: 5.6 mm – 0.22 in Hole Diameter. 23.8 mm – 15/16 in.