Gravely PRO-STANCE 60 KAWASAKI vs Wright Stander ZK 61 FX820
A side-by-side spec reference for two commercial machines. Where computed productivity separates them, the faster machine is marked a Data Pick with the arithmetic shown — the tables lay out each model's stated specs so you can match a machine to your property and routes.
A side-by-side for the stand-on commercial Gravely PRO-STANCE 60 KAWASAKI and the stand-on commercial Wright Stander ZK 61 FX820. Open the full spec table in the compare tool ›
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.
- Gravely PRO-STANCE 60 KAWASAKI — commercial: daily paid use and high acreage; 60-inch deck
- Wright Stander ZK 61 FX820 — commercial: daily paid use and high acreage; 61-inch deck
What’s different? The 5 differences that matter most, from the published figures.
- PRO-STANCE 60 KAWASAKI has a 23.5 hp engine; Stander ZK 61 FX820 has a 34.5 hp engine, a 11 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.
- PRO-STANCE 60 KAWASAKI holds 9 gal (34.1 L) of fuel; Stander ZK 61 FX820 holds 15.5 gal (58.7 L) of fuel, a 6.5 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.
- PRO-STANCE 60 KAWASAKI has a published top speed of 9 mph; Stander ZK 61 FX820 has a published top speed of 12.5 mph, a 3.5 mph difference. Top speed is the maker's maximum in transport. Mowing speed is lower and depends on grass, terrain and the deck.
- PRO-STANCE 60 KAWASAKI has a Fabricated X-Factor® 3 deck; Stander ZK 61 FX820 has a Floating-side discharge deck.
- PRO-STANCE 60 KAWASAKI weighs 940 lbs (426.4 kg); Stander ZK 61 FX820 weighs 1,160 lbs (526.2 kg), a 220 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What PRO-STANCE 60 KAWASAKI's weight means for a trailer ›
1 more difference, calculated figures and what isn’t comparable
Other verified differences
- PRO-STANCE 60 KAWASAKI has a 44.3 ci (725.9 cc) engine; Stander ZK 61 FX820 has a 50.2 ci (822 cc) engine, a 5.9 ci difference.
Calculated by MowerFacts
- PRO-STANCE 60 KAWASAKI works out to 4.4 acres/hour; Stander ZK 61 FX820 works out to 6.2 acres/hour, a 1.8 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
- Blades: not published for PRO-STANCE 60 KAWASAKI.
- Transmission: not published for PRO-STANCE 60 KAWASAKI.
- Drive System: not published for Stander ZK 61 FX820.
- Discharge: not published for Stander ZK 61 FX820.
- Start Type: not published for PRO-STANCE 60 KAWASAKI.
- Cut height range: not published for PRO-STANCE 60 KAWASAKI.
- Price: Stander ZK 61 FX820 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.
Productivity
| Measure | PRO-STANCE 60 KAWASAKI | Stander ZK 61 FX820 |
|---|---|---|
| Cutting deck | 60 in | 61 in |
| Ground speed | 9 mph | 12.5 mph |
| Acres/hr (80%) | 3.05 | 4.31 |
| Acres/hr (100%) | 5.45 | 7.7 |
| List price | $11,449 | dealer quote |
Acres/hour computed from deck width and ground speed; 80% accounts for turns, overlap and trimming. Calculator ›
Components
| Component | PRO-STANCE 60 KAWASAKI | Stander ZK 61 FX820 |
|---|---|---|
| Engine make | Kawasaki® | Kawasaki |
| Displacement | 725.9 cc | 822 cc |
| Engine power | 23.5 hp | 34.5 hp |
| Transmission | not specified by manufacturer | Hydro |
| Drive type | not specified by manufacturer | not specified by manufacturer |
Ownership & dimensions
| Spec | PRO-STANCE 60 KAWASAKI | Stander ZK 61 FX820 |
|---|---|---|
| Weight | 426.38 kg | 526.17 kg |
| Fuel capacity | 34.07 L | 58.67 L |
| Warranty | not specified by manufacturer | not specified by manufacturer |
| Dimensions (L×W×H mm) | not specified by manufacturer | 1778 × not specified by manufacturer × not specified by manufacturer |
Dealer network and dimensions not in our data are shown as "not specified by manufacturer." See the full spec sheet on each model page.
Alternatives to cross-shop
FAQ
Is the Gravely PRO-STANCE 60 KAWASAKI or the Wright Stander ZK 61 FX820 better?
MowerFacts is a spec reference, not a review — we don't crown a winner. The Gravely PRO-STANCE 60 KAWASAKI and Wright Stander ZK 61 FX820 are both commercial machines with their own deck widths, engines and dimensions; the tables below lay out each spec side by side so you can match a machine to your property and routes.
How many acres per hour can the Gravely PRO-STANCE 60 KAWASAKI and Wright Stander ZK 61 FX820 mow?
At 80% efficiency the Gravely PRO-STANCE 60 KAWASAKI (60-in deck at 9 mph) covers about 3.05 acres/hour and the Wright Stander ZK 61 FX820 (61-in deck at 12.5 mph) about 4.31 acres/hour, before trimming and trailering time.
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PRO-STANCE 60 KAWASAKI: Specs verified against the retailer listing on Jun 6, 2026 — saffordequipment.com.
Stander ZK 61 FX820: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — kawasakienginesusa.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.