Compare Mowers
Prices are the recommended retail prices published by each manufacturer’s Australian site, in AUD, as read on the date shown on each model’s page; dealers set the final price.
A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, 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.
- Cox 21 in LawnMaster Self Propelled — residential: typical home lawns; 21-inch deck; gas powered
- Kubota W821S — residential: typical home lawns; 21-inch deck; gas powered
What’s different? The 1 difference that matter most, from the published figures.
- 21 in LawnMaster Self Propelled has a 224 cc (13.7 ci) engine; W821S has a 163 cc (9.9 ci) engine, a 61 cc difference. Displacement is the engine's size, not its output. A larger engine is not necessarily a more powerful one.
what isn’t comparable
Not comparable
- Engine Power: not published for 21 in LawnMaster Self Propelled.
- Fuel Capacity: not published for 21 in LawnMaster Self Propelled.
- Bagger Capacity: not published for 21 in LawnMaster Self Propelled.
- Deck Material: not published for W821S.
- Cut height range: not published for 21 in LawnMaster Self Propelled.
- Price: W821S is dealer quote only.
Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.
Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.
| Spec | 21 in LawnMaster Self Propelled Cox · Push / Walk-Behind |
W821S Kubota · Push / Walk-Behind |
|---|---|---|
| RRP (AUD) | A$1,699 | dealer quote |
| Engine | ||
| Power Source | gas | gas |
| Displacement | 13.7 ci (224 cc) | 9.9 ci (163 cc) |
| Engine Power | — | 4.3 hp |
| Cylinders | — | 1 |
| Deck | ||
| Cutting Width | 21 in (533 mm) | 20.9 in (530 mm) |
| Min Cut Height | — | 0.6 in (15 mm) |
| Max Cut Height | — | 3 in (77 mm) |
| Deck Material | Pressure-injected alloy chassis with reinforced wear strip | — |
| Drive | ||
| Drive Type | — | Self-propelled |
| Dimensions | ||
| Weight | 115 lbs (52 kg) | 117 lbs (53 kg) |
| Fuel Capacity | — | 0.5 gal (1.8 L) |
| General | ||
| Bagger Capacity | — | 2.1 bu (75 L) |
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.