6431 Lower Mulching Blade for Honda
6431 Lower Mulching Blade for Honda
6431 Lower Mulching Blade for Honda is the lower blade in the documented twin-blade Honda walk-behind configuration. It must be used with the matching 6430 upper blade; confirm both blade positions before ordering.
Verified Specifications
| Length | 20-15/16 inches |
|---|---|
| Width | 2-1/4 inches |
| Thickness | 0.095 inch |
| Cut direction | Clockwise (right) |
| Center hole | 13/16 inch |
| Outer holes | Two 13/32-inch holes |
| Mounting-hole spacing | 3-15/32 inches center to center |
Replacement and Fitment
Replaces Honda 72511-VE2-000 and 72511-VG4-K00, plus Windsor 50-2981. Documented applications include Honda Harmony, Harmony II, HRT216, HRB215, HRS216 and HRM215 21-inch walk-behind mowers.
This listing is for one lower blade. Rotary specifies an ordering multiple of one. The 6430 upper blade is required for the documented twin-blade system and is sold separately.
Fitment Safeguard
Verify part 6431, the mower model, both mounting-hole diameters, 3-15/32-inch spacing, blade position and companion 6430 requirement before ordering.
Installation and Service
Stop the engine, remove the key, disconnect the spark-plug lead, secure the blades and wear cut-resistant gloves. Install both blades in their documented positions and torque the hardware to Honda’s specification.