TRANSMISSION lawn mower ORIGINAL AL-KO LAWN MOWER TECHNICAL SPECIFICATIONS MODELS 520 BR RS Silver , Highline 46.3 SP , Highline 473 SP , Highline 51.3 SP , Highline 51.4 SP-A , Highline 523 SP , Silver Comfort 46 BRA , Steelline 52 XL CODE: 842460352 ORIGINAL CODE: 460352 , A460352 SR F 530, F 540