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A neutral, side-by-side reference of each model's stated specifications. MowerFacts does not rank one model above another — read the values and decide what fits your needs.
Best suited for
What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.
- Walker Walker Model D21d — commercial: daily paid use and high acreage; 52-inch deck; gas powered
- Walker Walker Model B27ix — commercial: daily paid use and high acreage; 48-inch deck; gas powered
| Spec | Walker Model D21d Walker · Commercial |
Walker Model B27ix Walker · Commercial |
|---|---|---|
| Engine | ||
| Power Source | gas | gas |
| Engine Make | Kubota | Rehlko |
| Displacement | 43.9 ci (719 cc) | 45.6 ci (747 cc) |
| Engine Power | 20.9 hp | 26.5 hp |
| Fuel Type | Diesel (2-D) | Automotive Grade Unleaded Gasoline (87 Octane or Greater, 10% Ethanol Maximum) |
| Deck | ||
| Cutting Width | 52 in (1321 mm) | 48 in (1219 mm) |
| Max Cut Height | 4 in (102 mm) | 4.5 in (114 mm) |
| Min Cut Height | 1 in (25 mm) | 1.5 in (38 mm) |
| Drive | ||
| Transmission | Dual Hydrostatic Eaton Model 7 transmission with ductile cast iron final drive, Each Wheel Independently Driven | Dual, Independent Hydro-Gear® ZT3100 Integrated Transaxles |
| Ground Speed | 6.5 mph | 9.6 mph |
| Dimensions | ||
| Weight | 1001 lbs (454 kg) | 720 lbs (326.6 kg) |
| Fuel Capacity | 4.7 gal (17.8 L) | 9.4 gal (35.6 L) |
Walker Model D21d: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — walker.com.
Walker Model B27ix: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — walker.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.