Z Master 2000 & 3000 Series: Used on caster forks for commercial models. Z Master 5000, 6000, & 7000 Series: Fits Professional 5000, 6000, and 7000 series diesel mowers. Z Master 7500-D & 7500-G: Compatible with large-scale 96-inch and 144-inch diesel rear-discharge mowers. Older Z Master Models: Fits Z400 and Z500 Z Master mowers.
