Adapter assembly (7/8 ID x .430 SP)
Verified- 687-02539 — Troy-Bilt TB200 (self-propelled walk-behind mower)
Confirmed on this model's own PartsTree diagram, not assumed from a similar model. Blade Adapter diagram: ADAPTER ASSEMBLY (7/8 ID X .430 SP), Troy-Bilt 687-02539 — different from both the push-mower star adapter and the TB230/M270 drive pulley. Blade itself (942-0741A) confirmed on this model's separate Blade diagram.
Source: PartsTree OEM parts diagram — Troy-Bilt TB200 — Blade Adapter diagram: ADAPTER ASSEMBLY (7/8 ID X .430 SP), Troy-Bilt 687-02539 — different from both the push-mower star adapter and the TB230/M270 drive pulley. Blade itself (942-0741A) confirmed on this model's separate Blade diagram.
Blade, 21 inch (mulch)
Verified- 942-0741A — Troy-Bilt TB200 (self-propelled walk-behind mower)
Confirmed on this model's own PartsTree diagram. Blade Adapter diagram: ADAPTER ASSEMBLY (7/8 ID X .430 SP), Troy-Bilt 687-02539 — different from both the push-mower star adapter and the TB230/M270 drive pulley. Blade itself (942-0741A) confirmed on this model's separate Blade diagram.
Source: PartsTree OEM parts diagram — Troy-Bilt TB200 — Blade Adapter diagram: ADAPTER ASSEMBLY (7/8 ID X .430 SP), Troy-Bilt 687-02539 — different from both the push-mower star adapter and the TB230/M270 drive pulley. Blade itself (942-0741A) confirmed on this model's separate Blade diagram.
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