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.
- Gravely ZT 42 KAWASAKI — commercial: daily paid use and high acreage; 42-inch deck; gas powered
- Gravely HD PRO 52 KAWASAKI FT — commercial: daily paid use and high acreage; 52-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
- ZT 42 KAWASAKI lists at $3,899; HD PRO 52 KAWASAKI FT lists at $8,899, a $5,000 difference. List price is the maker's own figure before tax, freight and dealer setup. Dealers set the final price.
- ZT 42 KAWASAKI weighs 498 lbs (225.9 kg); HD PRO 52 KAWASAKI FT weighs 917 lbs (415.9 kg), a 419 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What ZT 42 KAWASAKI's weight means for a trailer ›
- ZT 42 KAWASAKI holds 2 gal (7.6 L) of fuel; HD PRO 52 KAWASAKI FT holds 5.1 gal (19.3 L) of fuel, a 3.1 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.
- ZT 42 KAWASAKI has a Mach One deck; HD PRO 52 KAWASAKI FT has a Fabricated X-Factor® 3 deck.
- ZT 42 KAWASAKI has a 11 ga deck; HD PRO 52 KAWASAKI FT has a 7 ga deck.
4 more differences, calculated figures and what isn’t comparable
Other verified differences
- ZT 42 KAWASAKI has Hydro-Gear® Serviceable EZT® Transaxles drive; HD PRO 52 KAWASAKI FT has Hydro-Gear® ZT-3200 Transaxles drive.
- ZT 42 KAWASAKI has a 42 in (1,067 mm) deck; HD PRO 52 KAWASAKI FT has a 52 in (1,321 mm) deck, a 10 in difference.
- ZT 42 KAWASAKI has a published top speed of 6 mph; HD PRO 52 KAWASAKI FT has a published top speed of 8 mph, a 2 mph difference.
- ZT 42 KAWASAKI has a 18 hp engine; HD PRO 52 KAWASAKI FT has a 22 hp engine, a 4 hp difference.
Calculated by MowerFacts
- ZT 42 KAWASAKI works out to 2.0 acres/hour; HD PRO 52 KAWASAKI FT works out to 3.4 acres/hour, a 1.3 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 HD PRO 52 KAWASAKI FT.
- Fuel Type: not published for HD PRO 52 KAWASAKI FT.
- Cut height range: not published for HD PRO 52 KAWASAKI FT.
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 | ZT 42 KAWASAKI Gravely · Zero-Turn |
HD PRO 52 KAWASAKI FT Gravely · Zero-Turn |
|---|---|---|
| List price | $3,899 | $8,899 |
| Engine | ||
| Power Source | gas | gas |
| Displacement | 36.8 ci (603 cc) | — |
| Engine Power | 18 hp | 22 hp |
| Engine Make | Kawasaki® | Kawasaki® |
| Engine Model | FR600V | — |
| Fuel Type | Gas | — |
| Deck | ||
| Cutting Width | 42 in (1067 mm) | 52 in (1321 mm) |
| Min Cut Height | 1.5 in (38 mm) | — |
| Max Cut Height | 4.5 in (114 mm) | — |
| Deck Material | 11 ga | 7 ga |
| Deck Construction | Mach One | Fabricated X-Factor® 3 |
| Deck Gauge | 11 | 7 |
| Discharge | Side | Side |
| Drive | ||
| Ground Speed | 6 mph | 8 mph |
| Reverse Speed | 3 mph | 4 mph |
| Drive System | Hydro-Gear® Serviceable EZT® Transaxles | Hydro-Gear® ZT-3200 Transaxles |
| Dimensions | ||
| Weight | 498 lbs (225.9 kg) | 917 lbs (415.9 kg) |
| Fuel Capacity | 2 gal (7.6 L) | 5.1 gal (19.3 L) |
| Length | 68 in (1727 mm) | — |
| Width | 46.3 in (1175 mm) | — |
Where these models differ, explained
ZT 42 KAWASAKI: Specs verified against the retailer listing on Jun 6, 2026 — ellingtonagway.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.