- 21"Working width
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What's in The Box
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Explore this model · YF21-SD-TW
The details behind the job.
- 21"Working width

YF21-SD-TW
What’s included
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Full product description
The Yard Force YF21-SD-TW 21-inch side-discharge gas push mower is designed for straightforward lawn mowing with side discharge.
Key features
- 21-inch deck — the stated width describes the cutting path; compare it with the areas you need to mow.
- Briggs & Stratton 450E engine — identifies the gas-powered configuration for this model.
- Push operation — the operator moves and guides the mower; this is a push model.
Specifications
| Model / part number | YF21-SD-TW |
|---|---|
| Cutting deck | 21-inch deck |
| Engine | Briggs & Stratton 450E engine |
Frequently asked questions
How is YF21-SD-TW different from a 3-in-1 mower?
This listing is a side-discharge push mower. A 3-in-1 model offers additional clipping-management modes. Choose based on whether you want to collect clippings or leave them on the lawn.
What should I compare before choosing this mower?
Compare the drive system, clipping modes, cutting path and available storage access. Battery runtime or fuel use varies with conditions; cutting width alone does not establish a mowing-time guarantee.
Model information & ownership
Questions before you choose.
What type of drive does YF21-SD-TW use?
This listing identifies a push mower. You move and guide the machine. Compare its weight, controls, and the terrain limits in the operator’s manual.
How should I compare cutting width and storage fit?
Cutting width describes the mowing path, not the overall machine width. Check the complete dimensions, handle position, gate clearance, and storage access before choosing.
Where can I confirm included equipment and service parts?
Check the selected YF21-SD-TW configuration and use the full model number when requesting its manual, included-item list, replacement blade, or other service parts.
