5mm on the 4 gears that work against this gear because the gear cutter couldn't fit otherwise

320/330X/420/430X/435X/440/450X/520/550 2014v45 onwards

310 Mark II

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Plastic planetary gears installed closest to the electric motor

Låsbricka Starlock med bricka rostfri 8mm Hasplåt Husqvarna Automower 305 310 315 405X 415X 435X 5mm on the 4 gearsLock washer in stainless steel including underlying washer for the front wheel axle for large models of Husqvarna AutomowerFits both at the bottom of the wheel and at the top of the front wheel inside the chassis. This washer does not crack like the original does, and therefore prevents the front wheels from falling off. The washer that sits under the lock washer rusts and is included. I always change the lock washer when I take the machine apart, to