Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) vs Kubota ZD1211-60
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 zero-turn mower Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) and the commercial mower Kubota ZD1211-60. 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.
- Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) — commercial: daily paid use and high acreage; 72-inch deck
- Kubota ZD1211-60 — commercial: daily paid use and high acreage; 60-inch deck
What’s different? The 5 differences that matter most, from the published figures.
- ISX 3300 Zero Turn Mowers (72 in / 5902145) uses a Vanguard® BIG BLOCK™ EFI ETC with Oil Guard engine; ZD1211-60 uses a Kubota D1105-E4-ZD-2 engine. The engine maker builds the engine; the mower maker chooses the model, rating and fit, so the badge alone does not settle output or longevity.
- ISX 3300 Zero Turn Mowers (72 in / 5902145) has a 40 hp engine; ZD1211-60 has a 24.8 hp engine, a 15.2 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.
- ISX 3300 Zero Turn Mowers (72 in / 5902145) runs on Gas; ZD1211-60 runs on Diesel. Fuel type sets what you buy and store; it is not a measure of power.
- ISX 3300 Zero Turn Mowers (72 in / 5902145) has a 72 in (1,829 mm) deck; ZD1211-60 has a 60 in (1,524 mm) deck, a 12 in difference. Deck width sets how much grass each pass covers. Mowing time also depends on ground speed, turns and obstacles, so a wider deck alone does not fix the job's length. Time both decks on your own lawn ›
- ISX 3300 Zero Turn Mowers (72 in / 5902145) holds 11 gal (41.6 L) of fuel; ZD1211-60 holds 12.9 gal (48.8 L) of fuel, a 1.9 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.
2 more differences, calculated figures and what isn’t comparable
Other verified differences
- ISX 3300 Zero Turn Mowers (72 in / 5902145) has a published top speed of 12 mph; ZD1211-60 has a published top speed of 10.6 mph, a 1.4 mph difference.
- ISX 3300 Zero Turn Mowers (72 in / 5902145) has a 60.6 ci (993 cc) engine; ZD1211-60 has a 68.5 ci (1,123 cc) engine, a 7.9 ci difference.
Calculated by MowerFacts
- ISX 3300 Zero Turn Mowers (72 in / 5902145) works out to 7.0 acres/hour; ZD1211-60 works out to 5.1 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
- Price: ZD1211-60 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 | ISX 3300 Zero Turn Mowers (72 in / 5902145) | ZD1211-60 |
|---|---|---|
| Cutting deck | 72 in | 60 in |
| Ground speed | 12 mph | 10.6 mph |
| Acres/hr (80%) | 4.89 | 3.6 |
| Acres/hr (100%) | 8.73 | 6.42 |
| List price | $20,899 | dealer quote |
Acres/hour computed from deck width and ground speed; 80% accounts for turns, overlap and trimming. Calculator ›
Components
| Component | ISX 3300 Zero Turn Mowers (72 in / 5902145) | ZD1211-60 |
|---|---|---|
| Engine make | Vanguard® BIG BLOCK™ EFI ETC with Oil Guard | Kubota D1105-E4-ZD-2 |
| Displacement | 993 cc | 1123 cc |
| Engine power | 40 hp | 24.8 hp |
| Transmission | Dual commercial Hydro-Gear® ZT-5400 Powertrain® Transaxles with 9" cooling fans | Kubota HST |
| Drive type | not specified by manufacturer | not specified by manufacturer |
Ownership & dimensions
| Spec | ISX 3300 Zero Turn Mowers (72 in / 5902145) | ZD1211-60 |
|---|---|---|
| Weight | 778.82 kg | 765.21 kg |
| Fuel capacity | 41.64 L | 48.83 L |
| Warranty | 2 | not specified by manufacturer |
| Dimensions (L×W×H mm) | 2146 × not specified by manufacturer × 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 Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) or the Kubota ZD1211-60 better?
MowerFacts is a spec reference, not a review — we don't crown a winner. The Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) and Kubota ZD1211-60 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 Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) and Kubota ZD1211-60 mow?
At 80% efficiency the Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145) (72-in deck at 12 mph) covers about 4.89 acres/hour and the Kubota ZD1211-60 (60-in deck at 10.6 mph) about 3.6 acres/hour, before trimming and trailering time.
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ISX 3300 Zero Turn Mowers (72 in / 5902145): Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ferrismowers.com.
ZD1211-60: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — kubotausa.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.