21" XP Troy-Bilt Self-Propelled Lawn Mower

The product's model number is essential to finding correct MTD® genuine factory replacement part numbers for your Yard Machines, Troy-Bilt, Bolens, Remington, Yard-Man, White Outdoor and MTD Gold outdoor power equipment. The Model number is eleven characters long and is printed on the left side of the Product Identification Label. Characters can include numbers, letters or hyphens.

Where is the Product Identification Label?

The location of the Product Identification Label varies by product type.

Push Mowers (Walk-Behind and Self-Propelled)

Rear left side of the product's cutting deck. Model number will begin with 11 or 12.

Riding Mowers (Lawn Tractors, Garden Tractors and RZT)

The underside of the seat pan. Model number will begin with 13, 14 or 17.

Garden Tillers (Rototillers)

Surface of the tine housing. Model number will begin with 21.

Two- and Three-Stage Snow Blowers (Snow Throwers)

Rear of the frame cover, between the wheels. Model number will begin with 31.

Single-Stage Snow Blowers (Snow Throwers)

Right side of the frame. Model number will begin with 31.

Weed Whackers (String Trimmers, Whipper-Snippers)

Left or right side of the starter housing. Model number will begin with 41 or 42.

Chipper-Shredder-Vacuum (CSV and Lawn Vacuums)

Rear of the frame. Model number will begin with 24.

Leaf Blowers

Near the starter rope housing. Model number will begin with 41 or 42.

Lawn Edgers (Driveway Edgers)

Rear of the frame. Model number will begin with 25.

Cultivators

On the side of the engine housing.Model number will begin with 21.

Chipper-Shredders (Wood Chippers)

Front or rear of the frame. Model number will begin with 24.

Trimmer-Plus, Quick-Link or Troy-Bilt Attachments

On the shaft. Model number will begin with 41.