21 inch Deck Shell (MTD Red) – 787-01871B-0638 is a MTD listed under Mower Blades at mowerproparts.com. Compare the product details, photos, and existing part before ordering.
Key Details
- Product family: Mower Blades.
- Part type: MTD.
- Brand: MTD.
- Reference numbers noted in the product information: 787-01801, 787-01801-0638, 787-01801A, 787-01801A-0638.
FAQ
What blade measurements should I compare?
The blade measurements are width 21 inches, deck cutting width 21 inches.
Which part numbers can this blade replace?
It replaces 787-01801, 787-01801-0638, 787-01801A, 787-01801A-0638, 787-01871-0638, 787-01871A-0638.



