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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.
- John Deere X730Signature Series Lawn Tractor — prosumer: larger home properties and light acreage; 48-inch deck; gas powered
- John Deere S120Lawn Tractor — prosumer: larger home properties and light acreage; 42-inch deck; gas powered
| Spec | X730Signature Series Lawn Tractor John Deere · Riding (Lawn Tractor) |
S120Lawn Tractor John Deere · Riding (Lawn Tractor) |
|---|---|---|
| Engine | ||
| Power Source | gas | gas |
| Displacement | 45.5 ci (745 cc) | 44.2 ci (724.3 cc) |
| Engine Power | 25.5 hp | 22 hp |
| Cylinders | 2 | 2 |
| Engine Model | FD750D EFI | 44N677 (M44) |
| Fuel Type | Gasoline | Gasoline |
| Deck | ||
| Cutting Width | 48 in (1219 mm) | 42 in (1067 mm) |
| Min Cut Height | 1 in (25 mm) | 1 in (25 mm) |
| Max Cut Height | 5.2 in (133 mm) | 4 in (102 mm) |
| Deck Material | 48A, 10 gauge0.135 in.3.4 mm54 HC and 60 HC, 9 gauge0.150 in.3.8 mm | Steel, 13 gauge0.090 in.2.3 mm |
| Deck Construction | Forged steel deck shell | Stamped steel deck shell |
| Deck Gauge | 10 | 13 |
| Discharge | Side discharge | Side discharge |
| Drive | ||
| Transmission | K90 hydrostatic integrated with transaxle | Hydrostatic, 2-wheel drive |
| Ground Speed | 8.5 mph | 5.5 mph |
| Drive Tire Size | 26x12-12 turf | 20x8-8 |
| Drive System | Hydraulic clutch, shaft | Manual power take-off (PTO) |
| Reverse Speed | 6 mph | 3.2 mph |
| Dimensions | ||
| Weight | 858 lbs (389 kg) | 444 lbs (201.4 kg) |
| Fuel Capacity | 5.2 gal (19.7 L) | 2.4 gal (9.1 L) |
| Length | 75 in (1905 mm) | 69.7 in (1770 mm) |
| Width | — | 55.2 in (1402 mm) |
| Height | 54.5 in (1384 mm) | 44 in (1118 mm) |
| Commercial / Pro | ||
| Frame Construction | Welded heavy-duty | Full-length welded steel |
| Seat Type | Two-piece adjustable seat with brand embroidery | Two-piece with open-back |
| General | ||
| Bagger Capacity | 19 bu (670 L) | 6.5 bu (229 L) |
| Warranty | 4 yr | 2 yr |
X730Signature Series Lawn Tractor: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — deere.com.
S120Lawn Tractor: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — deere.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.