Premium Quality Replacement PartJackshaft Assy. LAS23KC524 – 52″ Lazer Z AS Zero-Turn Mower, 23hp (SN: 600000 – 669999) (2006)LAS28KA524 – 52″ Lazer Z AS Zero-Turn Mower, 28hp (SN: 670000 – 719999) (2007)LAS28KA524 – 52″ Lazer Z AS Zero-Turn Mower, 28hp (SN: 720000 – 789999) (2008)LAS25KC604 – 60″ Lazer Z AS Zero-Turn Mower, 25hp (SN: 600000 – 669999) (2006)LAS25KC604 – 60″ Lazer Z AS Zero-Turn Mower, 25hp (SN: 670000 – 719999) (2007)LAS25KC604 – 60″ Lazer Z AS Zero-Turn Mower, 25hp (SN: 720000 – 789999) (2008)LAS25KC604N – 60″ Lazer Z AS Zero-Turn Mower, 25hp (SN: 720000 – 789999) (2008)LAS28KA604 – 60″ Lazer Z AS Zero-Turn Mower, 28hp (SN: 670000 – 719999) (2007)LAS28KA604 – 60″ Lazer Z AS Zero-Turn Mower, 28hp (SN: 720000 – 789999) (2008)LXS25KD605 – 60″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 600000 – 669999) (2006)LXS25KD605 – 60″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 670000 – 719999) (2007)LXS25KD605 – 60″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 720000 – 789999) (2008)LXS25KD605 – 60″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 790000 – 849999) (2009)LXS25KD605 XS – 60″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 600000 – 669999) (2006)LXS25KD665 – 66″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 600000 – 669999) (2006)LXS25KD665 – 66″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 670000 – 719999) (2007)LXS25KD665 – 66″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 720000 – 789999) (2008)LXS25KD665 – 66″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 790000 – 849999) (2009)LXS25KD665 XS – 66″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 600000 – 669999) (2006)LXS25KD725 – 72″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 670000 – 719999) (2007)LXS25KD725 – 72″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 720000 – 789999) (2008)LXS25KD725 – 72″ Lazer Z XS Diesel Zero-Turn Mower, 25hp (SN: 790000 – 849999) (2009)LAS28KA724 – 72″ Lazer Z AS Zero-Turn Mower, 28hp (SN: 670000 – 719999) (2007)LAS28KA724 – 72″ Lazer Z AS Zero-Turn Mower, 28hp (SN: 720000 – 789999) (2008)LAS28KA724N – 72 Lazer Z AS Zero-Turn Mower, 28hp (SN: 720000 – 789999) (2008). Length: 171.8 – 6.76 “Outer Diameter : 200.8 mm – 7.90 “.