Compare Mowers
List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.
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.
- Spartan Spartan SRT-XDe — commercial: daily paid use and high acreage; 54-inch deck; gas powered
- Husqvarna Z554L — commercial: daily paid use and high acreage; 54-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
- Spartan SRT-XDe lists at $11,899; Z554L lists at $13,999, a $2,100 difference. List price is the maker's own figure before tax, freight and dealer setup. Dealers set the final price.
- Spartan SRT-XDe holds 9.5 gal (36 L) of fuel; Z554L holds 12 gal (45.4 L) of fuel, a 2.5 gal difference. Tank size bounds how long a machine runs between stops. Consumption varies with engine, load and speed, so hours per tank are not fixed.
- Spartan SRT-XDe cuts from 1.5 in (38 mm) to 4.8 in (121 mm); Z554L cuts from 1 in (25 mm) to 5 in (127 mm). The cut-height range is the shortest and tallest cut the deck offers. Most lawns are kept well inside it.
- Spartan SRT-XDe has a published top speed of 11 mph; Z554L has a published top speed of 12 mph, a 1 mph difference. Top speed is the maker's maximum in transport. Mowing speed is lower and depends on grass, terrain and the deck.
- Spartan SRT-XDe has a 25.5 hp engine; Z554L has a 27 hp engine, a 1.5 hp difference. Published horsepower is the maker's rating at a stated engine speed. It is a different measure from displacement, and two engines of equal rating can pull differently.
calculated figures and what isn’t comparable
Calculated by MowerFacts
- Spartan SRT-XDe works out to 4.8 acres/hour; Z554L works out to 5.2 acres/hour, a 0.4 acres/hour difference. Calculated by MowerFacts from deck width and the published top speed at 80% efficiency; it is not a manufacturer figure, and real mowing is slower.
Not comparable
- Displacement: not published for Spartan SRT-XDe.
- Warranty: not published for Z554L.
- Blades: not published for Spartan SRT-XDe.
- Transmission: not published for Spartan SRT-XDe.
- Deck Material: not published for Spartan SRT-XDe.
- Deck Construction: not published for Z554L.
- Discharge: not published for Spartan SRT-XDe.
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 | Spartan SRT-XDe Spartan · Commercial |
Z554L Husqvarna · Commercial |
|---|---|---|
| List price | $11,899 | $13,999 |
| Engine | ||
| Power Source | gas | gas |
| Engine Make | Kawasaki | Kawasaki |
| Displacement | — | 52 ci (852.1 cc) |
| Engine Power | 25.5 hp | 27 hp |
| Cylinders | — | 2 |
| Engine Model | — | FX Series V-Twin |
| Deck | ||
| Cutting Width | 54 in (1372 mm) | 54 in (1372 mm) |
| Blades | — | 3 |
| Deck Material | — | Steel |
| Deck Construction | 6" Deep, Reinforced 7 Gauge Full-Floating Deck | — |
| Anti-Scalp Rollers | — | Yes |
| Min Cut Height | 1.5 in (38 mm) | 1 in (25 mm) |
| Discharge | — | Collect/Mulch/Side discharge |
| Cut Positions | — | 16 |
| Max Cut Height | 4.8 in (121 mm) | 5 in (127 mm) |
| Drive | ||
| Transmission | — | Hydrostatic |
| Ground Speed | 11 mph | 12 mph |
| Drive Tire Size | 20x10.5-R12 Radial | — |
| Dimensions | ||
| Weight | 1192 lbs (540.7 kg) | 1215 lbs (551.1 kg) |
| Fuel Capacity | 9.5 gal (36 L) | 12 gal (45.4 L) |
| Length | 84 in (2134 mm) | 81 in (2057 mm) |
| Width | 55.5 in (1410 mm) | — |
| Height | 75 in (1905 mm) | 21 in (533 mm) |
| Commercial / Pro | ||
| Frame Construction | 1.5" by 3" Powder Coated Fusion-Bonded Solid Steel Bridge Frame | — |
| Seat Type | Smart Ride TecsPhnology w/ full suspension seat - adjustable Tecak Elastomer supports - 360 degree floating seat platform - indepentant rear frame section suspended by Winamac coil springs | Premium, suspension |
| General | ||
| Warranty | 3 yr | — |
Where these models differ, explained
Spartan SRT-XDe: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — joinspartannation.com.
Z554L: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — husqvarna.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.