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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.
- Kubota Z421KWNC-54 — commercial: daily paid use and high acreage; 54-inch deck; gas powered
- Kubota Z242KW-48 — commercial: daily paid use and high acreage; 48-inch deck; gas powered
| Spec | Z421KWNC-54 Kubota · Zero-Turn |
Z242KW-48 Kubota · Zero-Turn |
|---|---|---|
| Engine | ||
| Power Source | gas | gas |
| Displacement | 44.3 ci (726 cc) | 44.3 ci (726 cc) |
| Engine Power | 24 hp | 21.5 hp |
| Engine Make | Kawasaki FS730V | Kawasaki FR651V |
| Fuel Type | Gasoline | Gasoline |
| Deck | ||
| Cutting Width | 54 in (1372 mm) | 48 in (1219 mm) |
| Deck Material | — | 10Ga |
| Deck Gauge | — | 10 |
| Drive | ||
| Transmission | Hydro-Gear Commercial ZT-3600 | Hydro-Gear ZT-3100 |
| Ground Speed | 10 mph | 8 mph |
| Drive Tire Size | 24 x 9.5 -14, LP | 22 x 10 - 14 |
| Drive System | Belt | Belt |
| Dimensions | ||
| Weight | 870 lbs (394.6 kg) | 844 lbs (382.8 kg) |
| Fuel Capacity | 6.8 gal (25.7 L) | 4.3 gal (16.3 L) |
Z421KWNC-54: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — kubotausa.com.
Z242KW-48: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — kubotausa.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.