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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.
- Wright Autonomous ZK 61 61G8 — commercial: daily paid use and high acreage; 61-inch deck; gas powered
- Wright Stander B 36 FX600E — commercial: daily paid use and high acreage; 36-inch deck; gas powered
| Spec | Autonomous ZK 61 61G8 Wright · Commercial |
Stander B 36 FX600E Wright · Commercial |
|---|---|---|
| Engine | ||
| Power Source | gas | gas |
| Engine Make | Briggs & Stratton | Kawasaki |
| Displacement | 60.6 ci (993 cc) | 36.8 ci (603 cc) |
| Engine Power | 40 hp | 19 hp |
| Start Type | Electric | Electric |
| Engine Model | 61G8 | FX600E |
| Fuel Type | Gasoline | Gasoline |
| Deck | ||
| Cutting Width | 61 in (1549 mm) | 36 in (914 mm) |
| Blades | 3 | 2 |
| Deck Material | 7 Gauge | 7 Gauge |
| Deck Construction | Floating-Mulch | Floating-side discharge |
| Deck Gauge | 7 | 11 |
| Max Cut Height | 5.5 in (140 mm) | 5 in (127 mm) |
| Min Cut Height | 1.5 in (38 mm) | 2 in (51 mm) |
| Drive | ||
| Transmission | Hydro | Hydro |
| Ground Speed | 12.5 mph | 7 mph |
| Reverse Speed | 7 mph | 3 mph |
| Dimensions | ||
| Weight | 1310 lbs (594.2 kg) | 740 lbs (335.7 kg) |
| Fuel Capacity | 15.5 gal (58.7 L) | 5 gal (18.9 L) |
| Length | 70 in (1778 mm) | 66.5 in (1689 mm) |
| Width | — | 37.5 in (952 mm) |
Autonomous ZK 61 61G8: Specs verified against the retailer listing on Jun 6, 2026 — barryspowerequipment.com.
Stander B 36 FX600E: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — wrightmfg.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.